Question

How are 0.5 m KOH and 0.5M KOH different from each other?

Answer 1

Answer: One is molarity( M) and other one is molality (m)

Explanation: 0.05m means KOH in solute And. 0.05M means KOH in 1 litre solution

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Answer 2

Molality(m) is defined as the no. of moles of solute dissolved in 1 kg of the solvent.

Molarity(M) is defined as the no. of moles of solute dissolved in 1 litre of the solution.

So, 0.5 m KOH means that 0.5 moles of solute i.e. KOH has been dissolved in 1 kg of the solvent.

Whereas, 0.5 M KOH means that 0.5 moles of solute i.e. KOH is present in 1 litre of the solution.