Question

The ph of a solution obtained by mixing 50ml of 0.4 n hcl and 50ml of 0.2 n naoh is

Answer 1

Answer:

Citrate-phosphate buffer solution (pH 7.0) Mix 10 cm3 0.5 M phosphoric acid, 10 cm3 1 M citric acid ... Add 1.0 cm3 0.1 M sodium hydroxide and dilute to volume with deionized water.

Answer 2

Answer:

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