Answer
44.5 mL
Work Step by Step
We find:
$M_{1}V_{1}=M_{2}V_{2}$
$(14.6\,M)V_{1}=(0.650\,M)(1000\,mL)$
$\implies V_{1}=\frac{(0.650\,M)(1000\,mL)}{14.6\,M}=44.5\,mL$
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