The number of moles of LIF are contained in 10.0 L of a 7.50 M solution is 75 moles.
Molarity of any solution is define as the number of moles of solute present in per liter of volume of solution and it is represented as:
M = n/V
Given that, Molarity of LiF solution = 7.50 M
Volume of solution = 10L
On putting values on above equation, we get moles
n = (7.50)(10) = 75 moles
Hence required moles of LiF is 75 mol.
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