Problem: What mass of Na2SO4 is needed to make 2.5 L of 2.0 M solution? (Na = 23 g; S = 32 g; O = 16 g)a. 178 gb. 710 gc. 356 g

FREE Expert Solution

We’re being asked to calculate the mass of Na2SO4 needed to make 2.5 L of 2.0 M solution.


Recall that molarity is the ratio of the moles of solute and the volume of solution (in liters)

In other words:


Molarity(M)=moles of soluteLiters of solution


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Problem Details

What mass of Na2SO4 is needed to make 2.5 L of 2.0 M solution? (Na = 23 g; S = 32 g; O = 16 g)

a. 178 g

b. 710 g

c. 356 g

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