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06-05-2019
Chemistry

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Determine the moles of solute particles in 1.0 kg of a 3.0 m Ca(NO3)2 solution.

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15-05-2019

Answer:

3.0 mol.

Explanation:

Molaity (m) is defined as the no. of moles of solute per kg of solvent.

m = (no. of moles of solute Ca(NO₃)₂)/(kg of solvent).

∴ no. of moles of solute Ca(NO₃)₂ = (m)(kg of solvent) = (3.0 m)(1.0 kg) = 3.0 mol.

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