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Make 500.0 ml of a ph 4.00 buffer with sodium nitrate

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Reference no: EM13496001

Prepare 500.0 mL of a pH 4.00 buffer with sodium nitrate (as a 0.50 M solution) and hydrochloric acid (as a 0.10M solution) such that the total nitrite concentration (sum of NO2 - and HNO2) is 0.100M. pH = pKa + log[A-]/[HA] and pKa for HNO2 is 3.35

Reference no: EM13496001

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