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Verified Answer :

Molarity = moles of solute/ volume of solution.
Moles= weight of substance / molecular weight of that substance.
Therefore, 0.051= moles of K2SO4 / volume of solution.
0.051= weight of K2SO4 /molecular weight of K2SO4 x volume of solution.
Therefore, weight of K2SO4 =0.051 x 174 / 4
So weight = 2.2185 gm

syed514

each litre should contain exactly 0.051 moles of of K2SO4 which should weigh 1740.051

0.0514*174 = 35.496g

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