What mass of water must be used to make a 1.35 m solution that contains 8.20 mol NaOH?

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Rangel

Chemistry

28 July, 03:48

What mass of water must be used to make a 1.35 m solution that contains 8.20 mol NaOH?

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Cannon Conley · Answer 1

Answer is: mass of water is 6.07 kilograms.

b (NaOH) = 1.35 m.

n (NaOH) = 8.20 mol.

b (NaOH) = n (NaOH) : m (H₂O).

m (H₂O) = n (NaOH) : b (NaOH).

m (H₂O) = 8.20 mol : 1.35 mol/lg.

mm (H₂O) = 6.07 kg.

m - molality.

n - amount of substance.