About how many grams of sodium chloride would be dissolved in water to form a $0.5$ M solution in $500$ mL solution?

7

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29

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14.5

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58

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112

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Solution

The correct option is E $14.5$
$Molarity = \frac{Moles of solute}{Volume of solution (l)}$

Molar mass of sodium chloride $=$ $58 g / m o l e$

$0.5$ $=$ $\frac{Mass of solute}{58 \times 0.5}$

Mass of solute $=$ $14.5 g$

Hence, option C is correct.

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About how many grams of sodium chloride would be dissolved in water to form a 0.5 M solution in 500 mL solution?

The correct option is E 14.5Molarity=Moles of soluteVolume of solution (l)Molar mass of sodium chloride = 58g/mole0.5=Mass of solute58×0.5Mass of solute = 14.5 gHence, option C is correct.

About how many grams of sodium chloride would be dissolved in water to form a $0.5$ M solution in $500$ mL solution?

The correct option is E $14.5$
$Molarity = \frac{Moles of solute}{Volume of solution (l)}$

Molar mass of sodium chloride $=$ $58 g / m o l e$

$0.5$ $=$ $\frac{Mass of solute}{58 \times 0.5}$

Mass of solute $=$ $14.5 g$

Hence, option C is correct.