What is the molarity of a solution prepared by dissolving 141.6 g of citric acid, $C_{3} H_{5} O {(C O O H)}_{3}$ $C_3H_5O(COOH)_3$ , in water and then diluting the resulting solution to 3500.0 mL?

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What is the molarity of a solution prepared by dissolving 141.6 g of citric acid, $C_{3} H_{5} O {(C O O H)}_{3}$ $C_3H_5O(COOH)_3$ , in water and then diluting the resulting solution to 3500.0 mL?

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Answer 1 · 2016-02-29T13:10:18

.2106 $M$ $M$ $C_{3} H_{5} O {(C O O H)}_{3}$ $C_3H_5O(COOH)_3$

Explanation:

Molarity is defined as the mols of a compound/element over 1 liter of solution

$M$ $M$ (Molarity)= $\frac{M o l s}{1 L s o l u t i o n}$ $(Mols)/(1L solution)$

you first need to convert 141.6g of citric acid into mols

$C$ $C$ = 12.01g * 6 = 72.06g
$H$ $H$ = 1.0079g * 8 = 8.0632g
$O$ $O$ = 16.00g * 7 = 112.0g
$C_{3} H_{5} O {(C O O H)}_{3}$ $C_3H_5O(COOH)_3$ = 192.12g

141.6g $C_{3} H_{5} O {(C O O H)}_{3}$ $C_3H_5O(COOH)_3$ $\frac{1 m o l C_{3} H_{5} O {(C O O H)}_{3}}{192.12 g}$ $(1mol C_3H_5O(COOH)_3)/(192.12g)$ =.7370 mol $C_{3} H_{5} O {(C O O H)}_{3}$ $C_3H_5O(COOH)_3$

We not have the mols of $C_{3} H_{5} O {(C O O H)}_{3}$ $C_3H_5O(COOH)_3$ , and we are given it is diluted to 3500.0 mL

3500.0 mL $\frac{1 L i t e r}{1000 m L}$ $(1Liter)/(1000mL)$ =3.5000 $L$ $L$

plug both the mols of $C_{3} H_{5} O {(C O O H)}_{3}$ $C_3H_5O(COOH)_3$ and $L$ $L$ of $C_{3} H_{5} O {(C O O H)}_{3}$ $C_3H_5O(COOH)_3$ into

$M$ $M$ (Molarity)= $\frac{M o l s}{1 L s o l u t i o n}$ $(Mols)/(1L solution)$

$M$ $M$ (Molarity)= $\frac{.7370 m o l}{3.5000 L s o l u t i o n}$ $(.7370 mol)/(3.5000L solution)$

$M$ $M$ = .2106

.2106 $M$ $M$ $C_{3} H_{5} O {(C O O H)}_{3}$ $C_3H_5O(COOH)_3$

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What is the molarity of a solution prepared by dissolving 141.6 g of citric acid, $C_{3} H_{5} O {(C O O H)}_{3}$ $C_3H_5O(COOH)_3$ , in water and then diluting the resulting solution to 3500.0 mL?

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Explanation:

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Science

Math

Humanities

... and beyond

What is the molarity of a solution prepared by dissolving 141.6 g of citric acid, C3H5O(COOH)3C_3H_5O(COOH)_3, in water and then diluting the resulting solution to 3500.0 mL?

1 Answer

Explanation:

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What is the molarity of a solution prepared by dissolving 141.6 g of citric acid, $C_{3} H_{5} O {(C O O H)}_{3}$ $C_3H_5O(COOH)_3$ , in water and then diluting the resulting solution to 3500.0 mL?