Some pure calcium carbonate is made to react completely with 100cm3 Hydrochloric acid of unknown concentration. 120cm3 of carbon
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[OH⁻] = 1.6 × 10⁻⁸ mol / dm³
<h3>Explanation</h3>By definition, , where
is the concentration of proton in the solution.
pH = 6.2 for this solution. As a result, .
, where
the concentration of hydroxide ions and
is the dissociation constant of water.
at 0.10 MPa and 25 °C. As a result,
.