Representations of Solutions

AP Chemistry· difficulty 2/5

To prepare 250 mL of 0.50 M HCl from 6.0 M stock, you need how much stock?

A
$62.5 mL$
B
$20.8 mL$
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C
$10 mL$
D
$30 mL$

Explanation

M₁V₁ = M₂V₂: V₁ = (0.50 \times 250) / 6.0 \approx 20.8 mL.

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