08-01-2024
Chemistry

contestada

Find the concentration of H+ (in moldm-3) when,

150 cm3 of 0.15 moldm-3 H2SO4
is mixed with
250 cm3 of 0.10 moldm-3 HNO3

Respuesta :

08-01-2024

Answer:

The total volume of the solution is 150 cm3 + 250 cm3 = 400 cm3.

The total number of moles of H+ is 0.15 mol/dm3 x 150 cm3 x 1 dm3/1000 cm3 = 0.0225 mol.

The concentration of H+ is 0.0225 mol / 400 cm3 x 1 dm3/1000 cm3 = 0.005625 mol/dm3 = 0.05625 M.

So the answer is 0.0562.

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