$1.$ A $4\mathrm{.}691g$ sample of $CaC{l}_2$ is dissolved in enough water to give $750.mL$ of solution. What is the $C{l}^{-}$ion concentration in this solution?

$0\mathrm{.}113M$

$0\mathrm{.}131M$

$4\mathrm{.}38M$

$0\mathrm{.}0564M$

$0\mathrm{.}0987M$

$2.$

What is the molarity of a solution prepared by diluting $19\mathrm{.}7mL$ of $15\mathrm{.}1MHCl$ with enough water to make $0\mathrm{.}314L$ of solution?

$*$Do not include units or report the answer in scientific notation.

$3.$

What volume $($in $mL)$ of a $2\mathrm{.}50$MNaOH solution is needed to neutralize $250.mL$ of a $1\mathrm{.}20M{H}_{2}S{O}_4$ solution?

$H_{2}S{O}_4(aq)+2$NaOH$(aq)2H_{2}O(l)+N{a}_{2}S{O}_4(aq)$

$216mL$

$108mL$

$120.mL$

$96\mathrm{.}0mL$

$24\mathrm{.}0mL$