1.

Which of the following will decrease the pH of a 50 mL solution of 0.01 M HCI?

Answer»

Addition of 5 ML of 1 M HCI
Addition of 50 mL of 0.01 M HCI
Addition of 50 mL of 0.002 M HCI
Addition of Mg

Solution :Additionof5m LOF 1 MHCIwill decrease the Ph , becauseonlythiswill INCREASE the `H^+`ionconcentrationin THESOLUTION .


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