Formula: KHC8H4O4. Gram equivalent = Additional Names: potassium acid phthalate; potassium hydrogen phthalate; acid potassium phthalate. Dipotassium phthalate. The salt in question is: KHC 8 H 4 O 4 whose molar mass is 204.22g. 2021-01-16. Structure, properties, spectra, suppliers and links for: Potassium hydrogen phthalate, 877-24-7. Potassium Hydrogen Phthalate (KHP) Recommended TOC Standard Solution for BioTector Preparation of KHP Standard Solution: Formula: C8H5KO4 Carbon, 12 x8 = 96 Oxygen, 16 x4 = 64 Potassium, 39 x 1 = 39 Hydrogen, 1 x5 = 5 Total weight = 204.22 g/mol 47% of KHP is Carbon. Determine the molarity of 500.0 mL of solution that contains 11.271 g of potassium hydrogen phthalate (KHP). KHC8H4O4 can be used for … (H 2 O) x) it is often used as a fertilizer, food additive, and buffering agent.The salt often cocrystallizes with the dipotassium salt as well as with phosphoric acid. ENDMEMO. 7. A solution of sodium hydroxide is standardized against potassium hydrogen phthalate (KHP, formula weight 204.2 g/mol). If 23.67 ml of NaOH (aq) is required to titrate 0.7719 g KHP to the equivalence point, what is the concentration of the NaOH(aq)? Parent Compound: CID 1017 (Phthalic acid) Dates: Modify . It has a role as a human xenobiotic metabolite. ChEBI. The precent by weight of element Q in each compound was determined. 9. Parent Compound: CID 1017 (Phthalic acid) Component Compounds: CID 5462222 (Potassium) CID 1017 (Phthalic acid) Dates: Modify . One of the purposes of the titration process is to determine the concentration of a solute in a solution. A.P Chemistry. Home / Chemicals / All Chemicals / Potassium Hydrogen Phthalate 99.5%. Therefore to prepare a 1000 mgC/l standard solution, add 2.13g of … From the following data, calculate the molarity of the NaOH solution: mass of KHP 2.014 g; buret reading before titration 0.23 mL; buret reading after titration 36.87 mL. Create . Phthalate(2-) is a phthalate that is the dianion obtained by the deprotonation of both the carboxy groups of phthalic acid. In this case molecule weight is same as equivalent weight. 2005-08-08. 77, No. Three volatile compounds X,Y, and Z each contain elements Q. Equivalent weight = Formulaweight valenceof the solute = 204.22 1 = 204.22 iii). N° CAS: 877-24-7: Formule moléculaire: C 8 H 5 KO 4: Molecular Weight (g/mol) 204.22: Numéro MDL: MFCD00013070: InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M: Synonyme: potassium hydrogen phthalate, potassium biphthalate, monopotassium phthalate, potassium acid phthalate, hydrogen potassium phthalate, phthalic acid monopotassium salt, 1,2-benzenedicarboxylic acid, … Literature References: Prepd by half-neutralization of a phthalic anhydride soln: F. J. Welcher, Organic Analytical Reagents … Use * as a wildcard for partial matches, or enclose the search string in double quotes for an exact match. Potassium hydrogen phthalate, often called simply KHP, is an acidic salt compound. Accurately weigh by difference 4 separate 0.20-0.30 g portions of dry potassium hydrogen phthalate into clean and dry 150 mL or 250 mL beakers. AP Chemistry. Purity of the Potassium KHP is 99.9%. Answer to: Calculate the molar mass of potassium hydrogen phthalate, KHP (HKC8H4O4). About Potassium hydrogen phthalate; Potassium hydrogen phthalate weighs 1.636 gram per cubic centimeter or 1 636 kilogram per cubic meter, i.e. Potassium sodium phthalate | C8H4KNaO4 | CID 21646163 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. Create . A solution of sodium hydroxide is standardized against potassium hydrogen phthalate (KHP, formula weight 204.2 g/mol). How many gram equivalents are there in 2.04g of the salt? If you can please explain to me then it would be greatly appreciated. COVID-19 is an emerging, rapidly evolving situation. Its melting point is 295 ̊C (563 ̊F), density 1.636 g/cm3. Firstly, the student used potassium hydrogen phthalate (KHP, 204.22 . Synonym: KHP, Phthalic acid monopotassium salt, Potassium biphthalate, Potassium hydrogen phthalate, Potassium phthalate monobasic Linear Formula: HOOCC 6 H 4 COOK Molecular Weight… 8. Monopotassium phosphate (MKP) (also, potassium dihydrogenphosphate, KDP, or monobasic potassium phosphate) is the inorganic compound with the formula KH 2 PO 4.Together with dipotassium phosphate (K 2 HPO 4. Synonyms: Potassium phthalate monobasic; KHP; Phthalic acid monopotassium salt; Potassium biphthalate; Potassium hydrogen phthalate Formula: HOOCC 6 H 4 COOK Formula Weight: 204.22 CAS No. The boiling point determination of Potassium hydrogen phthalate (CAS No. 877-24-7: Potassium Hydrogen Phthalate (KHP) is a classic primary standard substance in that it is readily available in high purity; is relatively inexpensive; is easy to dry; is neither hygroscopic, oxidized by air, … Percent Composition: C 47.05%, H 2.47%, K 19.15%, O 31.34%. Potassium hydrogen phthalate (KHP) has a molecular weight of 204.2 g/mole and is commonly used as a standard against bases. potassium hydrogen phthalate: convert weight to volume Enter weight, select a unit of weight, and specify a material or substance to search for. Add approximately 50-100 mL distilled water to each and swirl until the potassium hydrogen phthalate is completely dissolved. 1 Structures Expand this section. The method followed was according to Siwoloboff. The boiling point of Potassium hydrogen phthalate (CAS No. : 877-24-7 Purity: ≥99.95% Packaging: 100, 500 g in poly bottle 2004-09-16. Phthalic acid dipotassium salt. This student performed four trials. Home » Chemistry » Potassium Hydrogen Phthalate. Alias: KHP. Get the latest public health information from CDC: https://www.coronavirus.gov. Describe how you would prepare 100.0 mL of 0.0276 M KHP solution from the solution described in question #7. I have honestly tried all I can for this question, but can't seem to find out. It is soluble in water. Answer in units of M. 2 Names and Identifiers … The unknown KHP sample used was #52 LO so about 3.0 g samples were used in titrations. Name: Potassium Hydrogen Phthalate. What is the equivalent weight of potassium hydrogen phthalate? Draw the structure of potassium hydrogen phthalate (KHP), write its molecular formula and calculate its molecular weight. Let's say you have to prepare 1L solution. What is the weight percent of potassium hydrogen phthalate in your sample? Potassium hydrogen phthalate ... Molecular Weight:204.22 Section 10 ­ Stability and Reactivity Chemical Stability: Stable under normal temperatures and pressures. Incompatibilities with Other Materials Strong oxidizing agents, nitric acid. Molecular Weight: 204.22. N° CAS: 877-24-7: Formule moléculaire: C8H5KO4: Molecular Weight (g/mol) 204.222: Numéro MDL: MFCD00013070: InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M: Synonyme: potassium hydrogen phthalate, potassium biphthalate, monopotassium phthalate, potassium acid phthalate, hydrogen potassium phthalate, phthalic acid monopotassium salt, 1,2-benzenedicarboxylic acid, … Experiment 5 ACID - BASE TITRATION – POTASSIUM HYDROGEN PHTHALATE INTRODUCTION Potassium hydrogen phthalate or KHP (molecular weight = 204.23 g/mole) is a weak organic acid whose structure is as follows: Since KHP contains only a single "acidic" or ionizable hydrogen, it is referred to as a monoprotic acid. CAS: 877-24-7: Molecular Formula: C 8 H 5 KO 4: Molecular Weight (g/mol) 204.22: MDL Number: MFCD00013070: InChI Key: IWZKICVEHNUQTL-UHFFFAOYSA-M: Synonym: potassium hydrogen phthalate,potassium biphthalate,monopotassium phthalate,potassium acid phthalate,hydrogen potassium phthalate,phthalic acid monopotassium salt,1,2-benzenedicarboxylic acid, … Conditions to Avoid: Incompatible materials, dust generation, excess heat. Molecular Weight: 164.11 g/mol. Some of the … 58 / Monday, March 26, 2012 / Rules and Regulations Date of issue: 11/12/2004 Revision date: 05/23/2017 Supersedes: 07/19/2013 Version: 1.1 05/23/2017 EN (English) Page 1 SECTION 1: Identification . 4409-98-7. From the following data, calculate the molarity of the NaOH solution: mass of KHP 1.234 g; buret reading before Di-Potassium phthalate. It is a conjugate base of a phthalate(1-). Therefore, in its reaction with a base such as hydroxide OH-, each … 1 Structures Expand this section. Molecular Formula: C 8 H 5 KO 4. 877-24-7 ) was done as per the test guideline OECD 103. Line Formula: HOOCC 6 H 4 COOK. The results of the student are summarized in the table below: Note: The stoichiometric relationship of KHP to NaOH is 1:1 Standardization Trial 1 Trial 2 Trial 3 Trial 4 KHP Mass, g 0.5033 0.5066 0.6989 0.6843 Volume NaOH used, mL 24.32 25.61 24.67 … KHC8H4O4 is a white solid at room temperature. Molar Mass: 204.2212. In the titration to standardize your sodium hydroxide, you found that 0.528 g of KHP required 22.5 ml of your NaOH solution. 2020-12-26. First check what is equivalent weight of the compound. DETERMINATION OF PERCENT KHP AND ACID EQUIVALENT WEIGHT Titration is a process of mixing measured volumes of reacting solutions in such a manner that one can determine when chemically equivalent amounts of reactants are mixed. Additionally, the titration process will be … This page computes weight of the substance per given volume, and answers the question: How much the substance weighs per volume. 1.1. Potassium phthalate. More... Molecular Weight: 242.31 g/mol. Then using the molecular weight 204.233 g/mol for potassium hydrogen phthalate, the mols were converted to grams which would then be a proportion of the mass of its sample, yielding a potassium hydrogen phthalate percentage or concentration in the unknown sample. Contents. Potassium Hydrogen Phthalate KHC8H4O4 Molar Mass, Molecular Weight. Firstly, the student used potassium hydrogen phthalate (KHP, 204.22 g/mol) as standard to determine the exact concentration of the NaOH titrant. Identification . Potassium Hydrogen Phthalate Potassium Acid Phthalate, KHP: Chemical Formula: HOCO(C 6 H 4)COOK: Formula Weight: 204.22: Equivalent Weight: 204.22 (Molar = Normal) CAS No. The hydrogen is slightly acidic, and it is often used as a primary standard for acid-base titrations because it is solid and air-stable, making it … 877-24-7 ) is greater then 300°C at 977.5 hPa. Potassium hydrogen phthalate, often called simply KHP, is a white, colorless, ionic solid that is the monopotassium salt of phthalic acid. Contents. Potassium hydrogen phthalate (molar mass = 204.2 g/mol is used to standardize sodium hydroxide. It takes 32.55 mL of 0.08993 M sodium hydroxide to reach the equivalence point of the titration of a 1.1298 g sample of your unknown. You will standardize your NaOH solution against potassium hydrogen phthalate. 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