calculate the molarity 2

/in /by

Calculate the molarity of the following solutions:

a) A sample of solid Na2SO4 weighing 0.150 g is dissolved in enough water to

make 10.0 mL of solution.

b) A 6.50 g sample of glucose (C6H12O6) is dissolved in enough water to give

150 mL of solution

c) A 43.5 g sample of K2SO4 is dissolved in a quantity of water, and the solution

is stirred well. A 25.0 mL sample of the resulting solution is evaporated to

dryness and leaves behind 2.18 g of solid K2SO4.

I need all the calculations clearly shown

 
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