Question 1

HCl, hydrochloric acid is found in the gastric fluid that is responsible for the digestion of foods in the human stomach.

What is the molar mass of HCl acid?

Accepted Answer

36.46 g/mol

Answer

72.92 g/mol

Answer

35.45 g/ mol

Answer

139.92 g/mol

Question 2

How many moles of HCl are there in 91.1 grams of HCl?

Accepted Answer

2.50 mol

Answer

6.61 x 10 ²¹ mol

Answer

5.00 mol

Answer

0.400 mol

Question 3

A student is conducting a chemical reaction: there goal is to neutralize 2.0 moles of HCl. Which of the following bases is the best choice for the reaction?

Accepted Answer

KOH, because it dissociates completely and produces 2.0 moles of OH^- in solution.

Answer

NH₃, because it dissociates completely and produces 2.0 moles of OH^- in solution.

Answer

KOH, because it dissociates partially and produces 2.0 moles of OH^- in solution.

Answer

NaOH, because it dissociates completely and produces 1.0 moles of OH^- in solution.

Related quizzes

Related quizzes