Question

An experiment calls for 250 mL of 5 M HCI. How many grams of solid HCI should you weigh out to dissolve?

Answer 1

Answer: 45 g HCl

Step-by-step explanation:

1) solve for moles

moles = M X L = 5 x 0.250 =1.25 moles

2) stoichiometry to grams

1.25 x (36 g HCl/1 mole HCl) =45 g HCl