2. calculate the molarity of 500.0 grams of li2s in a total volume of 4.44 liters?
[li2s molar mass = 46.0 grams/mol

2.448 M ≅ 2.45 M.

Explanation:

Molarity (M) is the no. of moles of solute that dissolved in 1.0 L of the solution.

M = (no. of moles of solute)/(V of the solution (L).

M = (mass/molar mass) Li₂S / (V of the solution (L))

∴ M of Li₂S = (500.0 g/46.4 g/mol)/(4.44 L) = 2.448 M ≅ 2.45 M.

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