Explore Westonci.ca, the top Q&A platform where your questions are answered by professionals and enthusiasts alike. Get immediate and reliable solutions to your questions from a community of experienced professionals on our platform. Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform.

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.


Sagot :