Percent Composition: C 47.05%, H 2.47%, K 19.15%, O 31.34%. Some of the … Use * as a wildcard for partial matches, or enclose the search string in double quotes for an exact match. One of the purposes of the titration process is to determine the concentration of a solute in a solution. It is a conjugate base of a phthalate(1-). Line Formula: HOOCC 6 H 4 COOK. How many gram equivalents are there in 2.04g of the salt? Formula: KHC8H4O4. Literature References: Prepd by half-neutralization of a phthalic anhydride soln: F. J. Welcher, Organic Analytical Reagents … It is soluble in water. First check what is equivalent weight of the compound. Therefore to prepare a 1000 mgC/l standard solution, add 2.13g of … Parent Compound: CID 1017 (Phthalic acid) Component Compounds: CID 5462222 (Potassium) CID 1017 (Phthalic acid) Dates: Modify . Molecular Formula: C 8 H 5 KO 4. Therefore, in its reaction with a base such as hydroxide OH-, each … I have honestly tried all I can for this question, but can't seem to find out. ENDMEMO. : 877-24-7 Purity: ≥99.95% Packaging: 100, 500 g in poly bottle The unknown KHP sample used was #52 LO so about 3.0 g samples were used in titrations. Molecular Weight: 164.11 g/mol. Firstly, the student used potassium hydrogen phthalate (KHP, 204.22 . Contents. The precent by weight of element Q in each compound was determined. A solution of sodium hydroxide is standardized against potassium hydrogen phthalate (KHP, formula weight 204.2 g/mol). You will standardize your NaOH solution against potassium hydrogen phthalate. 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. Potassium hydrogen phthalate, often called simply KHP, is an acidic salt compound. Potassium Hydrogen Phthalate KHC8H4O4 Molar Mass, Molecular Weight. Draw the structure of potassium hydrogen phthalate (KHP), write its molecular formula and calculate its molecular weight. AP Chemistry. Create . Phthalate(2-) is a phthalate that is the dianion obtained by the deprotonation of both the carboxy groups of phthalic acid. 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. KHC8H4O4 can be used for … This page computes weight of the substance per given volume, and answers the question: How much the substance weighs per volume. The method followed was according to Siwoloboff. COVID-19 is an emerging, rapidly evolving situation. 1.1. Home » Chemistry » Potassium Hydrogen Phthalate. 2005-08-08. Add approximately 50-100 mL distilled water to each and swirl until the potassium hydrogen phthalate is completely dissolved. Let's say you have to prepare 1L solution. Gram equivalent = What is the equivalent weight of potassium hydrogen phthalate? 2004-09-16. The salt in question is: KHC 8 H 4 O 4 whose molar mass is 204.22g. 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)? Name: Potassium Hydrogen Phthalate. From the following data, calculate the molarity of the NaOH solution: mass of KHP 1.234 g; buret reading before Potassium hydrogen phthalate, often called simply KHP, is a white, colorless, ionic solid that is the monopotassium salt of phthalic acid. 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. potassium hydrogen phthalate: convert weight to volume Enter weight, select a unit of weight, and specify a material or substance to search for. Potassium hydrogen phthalate (KHP) has a molecular weight of 204.2 g/mole and is commonly used as a standard against bases. The boiling point of Potassium hydrogen phthalate (CAS No. This student performed four trials. In this case molecule weight is same as equivalent weight. A solution of sodium hydroxide is standardized against potassium hydrogen phthalate (KHP, formula weight 204.2 g/mol). Determine the molarity of 500.0 mL of solution that contains 11.271 g of potassium hydrogen phthalate (KHP). 4409-98-7. 877-24-7 ) is greater then 300°C at 977.5 hPa. 2021-01-16. Describe how you would prepare 100.0 mL of 0.0276 M KHP solution from the solution described in question #7. KHC8H4O4 is a white solid at room temperature. Phthalic acid dipotassium salt. 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 . About Potassium hydrogen phthalate; Potassium hydrogen phthalate weighs 1.636 gram per cubic centimeter or 1 636 kilogram per cubic meter, i.e. Its melting point is 295 ̊C (563 ̊F), density 1.636 g/cm3. Molar Mass: 204.2212. Equivalent weight = Formulaweight valenceof the solute = 204.22 1 = 204.22 iii). 1 Structures Expand this section. Contents. Molecular Weight: 204.22. If you can please explain to me then it would be greatly appreciated. In the titration to standardize your sodium hydroxide, you found that 0.528 g of KHP required 22.5 ml of your NaOH solution. It has a role as a human xenobiotic metabolite. Dipotassium phthalate. 7. Potassium Hydrogen Phthalate Safety Data Sheet according to Federal Register / Vol. 9. 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, … Three volatile compounds X,Y, and Z each contain elements Q. Get the latest public health information from CDC: https://www.coronavirus.gov. 1 Structures Expand this section. 77, No. 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 . 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, … Conditions to Avoid: Incompatible materials, dust generation, excess heat. Structure, properties, spectra, suppliers and links for: Potassium hydrogen phthalate, 877-24-7. Potassium phthalate. Alias: KHP. 2 Names and Identifiers … A.P Chemistry. (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. 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. Exact match a phthalate that is the equivalent weight of element Q each! 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