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what is the molarity of 28.9g of calcium chloride dissolved in water to make 0.78L of solution​

Sagot :

Answer:

.334 M

Explanation:

Ca Cl2 is calcium chloride

Ca = 40.078 gm/mole

Cl = 35.45 gm/ mole

    40 . 078 + 2 * 35.45 = 110.978 gm/mole    for Ca Cl2

28.9 gm  / 110.978 gm/mole   = .260 moles CaCl2

.260 moles/ .78 liter = .334 M

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