Homework Answers
2)
Mol of NaOH reacting = M(NaOH)*V(NaOH) in L
= 0.10 M * 0.015 L
= 0.00150 mol
Use:
mol of KHP reacting = mol of NaOH reacting
= 0.00150 mol
molar mass of KHP = 204.3 g/mol
So,
Mass of KHP = mol of KHP * molar mass of KHP
= 0.00150 * 204.3 g/mol
= 0.306 g
Answer: 0.306 g
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2. Calculate the mass of KHP needed to react completely with 15 mL of a 0.10 M NaOH solution. Consider the reaction...
If 51.89 mL of sodium hydroxide solution are required to react completely with 1.38 g of...
If 51.89 mL of sodium hydroxide solution are required to react completely with 1.38 g of KHP, what is the molarity of the sodium hydroxide solution. (Molar mass of KHP = 204.22 g/mol)
1. A student is asked to standardize a solution of sodium hydroxide. He weighs out 0.960...
1. A student is asked to standardize a solution of sodium hydroxide. He weighs out 0.960 g potassium hydrogen phthalate (KHC8H4O4, treat this as a monoprotic acid). It requires 18.1 mL of sodium hydroxide to reach the endpoint. A. What is the molarity of the sodium hydroxide solution? ___M This sodium hydroxide solution is then used to titrate an unknown solution of hydroiodic acid. B. If 12.8 mL of the sodium hydroxide solution is required to neutralize 27.8 mL of...
1. A volume of ___ mL of 0.100 M NaOH(aq) is required to titrate 0.500 g...
1. A volume of ___ mL of 0.100 M NaOH(aq) is required to titrate 0.500 g of potassium hydrogen phthalate (often abbreviated KHP) to the endpoint. 2. A 0.5741 g sample of a monoprotic acid was titrated with 0.1008 M NaOH(aq). If 37.89 mL of sodium hydroxide solution were required for the titration, the molar mass of the monoprotic acid is ___ g/mol.
4. Knowing that one mole of KHP, C3H5O4K, reacts with one mole of NaOH, what mass of KHP is required to neutralize 30.0...
4. Knowing that one mole of KHP, C3H5O4K, reacts with one mole of NaOH, what mass of KHP is required to neutralize 30.0 mL of the 0.10 M NaOH solution? 5. If 24.5 mL of the 0.10 M NaOH solution is required to reach the endpoint in a titration with an unknown monoprotic acid, how many moles of the acid were present?
NaOH was standardized by titration against a standard acidic solution of potassium hydrogen phthalate (KHP). 0.4798...
NaOH was standardized by titration against a standard acidic solution of potassium hydrogen phthalate (KHP). 0.4798 g of KHP were dissolved in 100 ml of water to prepare the standard KHP solution. a) What is the molar mass of KHP? (you need to look up its formula and calculate its molar mass from the periodic table). b) If 45.22 ml of sodium hydroxide were required to neutralize the KHP solution, what is the molarity of NaOH?
What is molar mass of KHP Chemistry I Laboratory Manual, 2017 Revision Acid/Base Titrations Pre-Lab Date:...
What is molar mass of KHP
Chemistry I Laboratory Manual, 2017 Revision Acid/Base Titrations Pre-Lab Date: Name 1 ) What is the molar mass of KHP? 2) If a student weighs out 0.500 g of KHP and titrates it with sodium hydroxide solution, what is the molarity of the sodium hydroxide solution if it takes 31.21 ml. of it to titrate the KHP 3) It takes 26.61 mL of 0.228 M sodium hydroxide solution to titrate 10.00 mL of sulfuric...
A) Balance the equation. B) 34.99 mL of 0.1001 M sodium hydroxide is needed to completely...
A) Balance the equation. B) 34.99 mL of 0.1001 M sodium hydroxide is needed to completely react (neutralize) 25.00 mL of sulfuric acid solution. What is the molarity of the sulfuric acid solution? _H2SO4(aq) _ NaOH(aq) Na2SO4(aq) + _H20(1) +
Part A. Calculate the volume lf 0.210-M NaOH solution needed to completely neutralize 89.1 mL of...
Part A. Calculate the volume lf 0.210-M NaOH solution needed to completely neutralize 89.1 mL of a 0.310-M solution of the diprotic acid H2C2O4 Part B. You wish to make a 0.202 M Hydrochloric acid solution from a stock solution of 3.00 M hydrochloric acid. How much concdntrated acid must you add to obtain a total volume of 50.0 mL of the dilute solution? Part C. an aqueous solution of barium hydroxide is standarized by titration with a 0.143 M...
3. Calculate the molar concentration of an NaOH solution that required 15.81 ml to com pletely...
3. Calculate the molar concentration of an NaOH solution that required 15.81 ml to com pletely neutralize 0.509 g of KHP (Remember that the "P" in KHP does not mean phos- phorus. See the molecular structure and molar mass of KHP given earlier in the lab.) KHP(s) + NaOH(aq) - NaKP(aq) + H,O(C) 4. Calculate the mass of KHP that will react completely with 25.00 mL of 0.1750 M NaOH. 5. Write the balanced equation for the reaction that occurs...
A solution of NaOH has an unknown concentration. When 1.396 g of potassium hydrogen phthalate (KHP a monoprotic acid...
A solution of NaOH has an unknown concentration. When 1.396 g of potassium hydrogen phthalate (KHP a monoprotic acid frequently used as an analytical standard) is titrated with the sodium hydroxide the end point is 42.54 mL. Use this information to compute the concentration of NaOH in the solution. The molar mass of KHP is 204.22 g mol1. [OH mol L
4. Knowing that one mole of KHP, C3H5O4K, reacts with one mole of NaOH, what mass of KHP is required to neutralize 30.0 mL of the 0.10 M NaOH solution? 5. If 24.5 mL of the 0.10 M NaOH solution is required to reach the endpoint in a titration with an unknown monoprotic acid, how many moles of the acid were present?
NaOH was standardized by titration against a standard acidic solution of potassium hydrogen phthalate (KHP). 0.4798 g of KHP were dissolved in 100 ml of water to prepare the standard KHP solution. a) What is the molar mass of KHP? (you need to look up its formula and calculate its molar mass from the periodic table). b) If 45.22 ml of sodium hydroxide were required to neutralize the KHP solution, what is the molarity of NaOH?
What is molar mass of KHP
Chemistry I Laboratory Manual, 2017 Revision Acid/Base Titrations Pre-Lab Date: Name 1 ) What is the molar mass of KHP? 2) If a student weighs out 0.500 g of KHP and titrates it with sodium hydroxide solution, what is the molarity of the sodium hydroxide solution if it takes 31.21 ml. of it to titrate the KHP 3) It takes 26.61 mL of 0.228 M sodium hydroxide solution to titrate 10.00 mL of sulfuric...
A) Balance the equation. B) 34.99 mL of 0.1001 M sodium hydroxide is needed to completely react (neutralize) 25.00 mL of sulfuric acid solution. What is the molarity of the sulfuric acid solution? _H2SO4(aq) _ NaOH(aq) Na2SO4(aq) + _H20(1) +
3. Calculate the molar concentration of an NaOH solution that required 15.81 ml to com pletely neutralize 0.509 g of KHP (Remember that the "P" in KHP does not mean phos- phorus. See the molecular structure and molar mass of KHP given earlier in the lab.) KHP(s) + NaOH(aq) - NaKP(aq) + H,O(C) 4. Calculate the mass of KHP that will react completely with 25.00 mL of 0.1750 M NaOH. 5. Write the balanced equation for the reaction that occurs...
A solution of NaOH has an unknown concentration. When 1.396 g of potassium hydrogen phthalate (KHP a monoprotic acid frequently used as an analytical standard) is titrated with the sodium hydroxide the end point is 42.54 mL. Use this information to compute the concentration of NaOH in the solution. The molar mass of KHP is 204.22 g mol1. [OH mol L
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