15mL of 7M Hydrochloric acid is used for an acid/base experiment in the lab. Knowing this,How many grams of Hydrochloric acid are there in this situation.

Question

asked Sep 25, 2020 220k views

1 Answer

Bibin David · Answer 1 · 2020-09-29T23:57:31+0000

Moles = concentration x volume so

Moles = 7 x 15 = 105

Then mass is moles/ Mr so

105/ the Mr of HCL which is 36.5 meaning the mass is 2.88g rounded to two decimal places