Preparation and Standardization of 1N HCl

Question 1

Standardization of 1N HCl: MW of HCl

Answer 1

36.36 or 36.46 g in 1000 mL

Question 2

Standardization of 1N HCl: Dilute ____ mL of hydrochloric acid with water to 1000 mL

Answer 2

85 mL

Question 3

Standardization of 1N HCl: Accurately weight about _____ of tromethamine

Answer 3

5.0 g

Question 4

Standardization of 1N HCl: Accurately weight about 5.0 g of tromethamine, previously dried at _____ degrees for ___ hours

Answer 4

105, 3

Question 5

Standardization of 1N HCl: Accurately weight about 5.0 g of tromethamine, previously dried at 105 degrees for 3 hours. Dissolve in ___ mL of water

Answer 5

50 mL

Question 6

Standardization of 1N HCl: Accurately weight about 5.0 g of tromethamine, previously dried at 105 degrees for 3 hours. Dissolve in 50 mL of water, and add 2 drops of _________

Answer 6

bromocresol green TS

Question 7

Standardization of 1N HCl: Accurately weight about 5.0 g of tromethamine, previously dried at 105 degrees for 3 hours. Dissolve in 50 mL of water, and add ___ drops of bromocresol green TS

Answer 7

2

Question 8

Standardization of 1N HCl: Accurately weight about 5.0 g of tromethamine, previously dried at 105 degrees for 3 hours. Dissolve in 50 mL of water, and add 2 drops of bromocresol green TS. titrate in 1N hydrochloric acid to _____ endpoint

Answer 8

pale yellow

Question 9

Standardization of 1N HCl: Each _______ of tromethamine is equivalent to 1 mL of 1 N hydrochloric acid

Answer 9

121.14 mg