you need to make 1.5L of 1.0M HCl from a stock solution of 12.0M HCl. How many L of the stock solution do you need?

Chemistry

1 answer:

liraira [26]3 years ago

7 0

Answer:

125 ml of HCl

Explanation:

The molarity of the stock solution to determine how many milliliters would contain 1.5 moles of HCl. Since a concentration of 12.0 mol/L means that you get 12.0 moles of hydrochloric acid per liter of solution,

Concentration of required HCl (C1) = 1.0M

Volume of required HCL (V1) = 1500 ml

Concentration of stock HCl (C2) = 12M

Volume of stock HCL (V2) = ?

C1V1 = C2V2

V2 = C1V1/C2 = 1*1500/12 = 125 ml

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