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14.2 grams of Na2SO4 is dissolved in water to make a 2.50 L solution. What is the molarity of the solution?__M
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14.2 grams of Na2SO4 is dissolved in water to make a 2.50 L solution. What is the molarity of the solution?__M

User Mithun Sasidharan
by
5.2k points

1 Answer

6 votes

Answer:

Molarity= 0.04M

Step-by-step explanation:

m=14.2 M=142 V=2.5L C=?

Mole(n)= m/M = 14.2/142= 0.1mol

n=C×V

0.1= C×2.5

Simplify

C= 0.04M

User Brandon McClure
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5.1k points
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