what is a molarity n a molality??,what is thies formula n difference.

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Chemistry

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what is a molarity n a molality??,what is thies formula n difference.

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Molarity (M)
- a solution of the number of moles n of a solute contained in a volume of solution in liters.
mathematically:
M= n
liter of the solution

where:
n- mole of solute
M- molarity

Molality (m)
- the number of moles of solute per kilogram of solvent

m= n of solute
kg of the solvent

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