Question

What is the molar concentration of pure water?​

Answer 1

Answer:

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Answer 2

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55.5 mol/dm³

Explanation:

Concentration (mol/dm³) = (density (g/dm³)) / (molecular mass (g/mol))

The density of water = 1000 g/dm³

The molecular mass of H2O = (21 g/mol) + (116 g/mol) = 18 g/mol

Concentration mol/dm³ = 1000 g/dm³ / 18 g/mol ~ 55.5 mol/dm³

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