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How many grams of solute are present in 19.0 mL of 0.746 M K2Cr2O7?If 13.6 g of (NH4)2SO4 is dissolved in enough water to form 260 mL of solution, what is the molarity of the solution?How many milliliters of 4.75×10−2 M CuSO4 contain 3.45 g of solute?

Question

How many grams of solute are present in 19.0 mL of 0.746 M K2Cr2O7?

If 13.6 g of (NH4)2SO4 is dissolved in enough water to form 260 mL of solution, what is the molarity of the solution?

How many milliliters of 4.75×10−2 M CuSO4 contain 3.45 g of solute?

check_circleAnswer
Step 1

Given:

Volume of solution = 19.0 mL 

Molarity =  0.746 M 

We need to calculate the mass of solute in g.

Formula:

Molarity = number of moles of solute / volume of solution(L)

Substitute the known values in the above formula,

0.746 M  = moles./ 19.0 mL&n...

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