hayelyben hayelyben

08-10-2022
Chemistry

contestada

1. What is the [H3O+] of 0.145M HNO2 ? Assume that the Ka=7.2x10^−4 at 25 ∘C .
Express your answer using two significant figures.

2. What is the pH of 0.145M HNO2 ?
Express your answer using two decimal places.

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