Match the problems with the correct answers.

Molecular weights

Ag⁺ = 108 Cl^- = 35.5 Cu⁺⁺ = 63.5

K⁺ = 39 Na⁺ = 23 NO₃^- = 62 SO₄^-- = 96

What is the molarity of a solution that contains:

1.	893.2 g of CuSO4 in 2 L of water
2.	46.8 g of NaCl in 0.5 L in water
3.	670.5 g of KCl in 1.5 L in water
4.	714 g of AgNO3 in 1 L of water

.........6 M

...........1.6 M

............2.8 M

4.2 M