The molarity of the solution is 2 M (Option C)
What is molarity?
This is simply defined as mole of solute per unit litre of solution. Mathematically, it can be expressed as:
Molarity = mole / Volume
How to determine the mole of LiOH
- Mass of LiOH = 36 g
- Molar mass of LiOH = 7 + 16 + 1 = 24 g/mol
- Mole of LiOH =?
Mole = mass / molar mass
Mole of LiOH = 36 / 24
Mole of LiOH = 1.5 mole
How to determine the molarity
- Mole of LiOH = 1.5 mole
- Volume = 750 mL = 750 / 1000 = 0.75 L
Molarity = mole /Volume
Molarity = 1.5 / 0.75
Molarity = 2 M
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