YOU DO: 1) What volume of 0.25M lithium fluoride solution can be made by dissolving 5.0 g lithium fluoride, LiF?

0.7712 L

Explanation:

Molarity = 0.25M

Volume = ?

Mass = 5.0 g

The relationship between these quantities is given as;

Molarity = Number of moles / Volume

Volume = Number of moles / Molarity

Number of moles = Mass / Molar mass

Molar mass of LiF = 25.939 g/mol

Number of moles  = 5 / 25.939 = 0.1928 mol

Volume = 0.1928 / 0.25 = 0.7712 L

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