Question

In a chemical reaction, a certain amount of hydrochloric acid reacts with 10 grams of sodium hydroxide to produce 19 grams of a solution containing sodium chloride and water. Which statement is correct?

Answer 1

this is answer

Step-by-step explanation:

We are given that the total mass of the solution containing NaCl and H2O is 19 grams. Since 10 grams of NaOH was used, the mass of HCl used must be: Mass of HCl = Mass of solution - Mass of NaOH = 19 grams - 10 grams = 9 grams So, the total mass of hydrochloric acid used is 9 grams.