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Question #af319

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Feb 29, 2016

$M$ $M$ Cd = $8.90 \cdot 10^{5}$ $8.90*10^5$

Explanation:

Molarity is defined as $M$ $M$ = $\frac{m o l s}{1 L s o l u t i o n}$ $(mols)/(1L solution)$

First step is to convert .010mg of Cd into mols

.010mg Cd $\frac{1 m o l C d}{112.41 g C d}$ $(1mol Cd)/(112.41gCd)$ = $8.90 \cdot 10^{- 5}$ $8.90*10^-5$ mol Cd

plug this into our Molarity equation

$M$ $M$ = $\frac{8.90 \cdot 10^{- 5}}{1 L s o l u t i o n}$ $(8.90*10^-5)/(1L solution)$

$M$ $M$ Cd = $8.90 \cdot 10^{5}$ $8.90*10^5$

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