GRE Subject Test: Chemistry Question of the Day

Test your knowledge with a hand-picked multiple-choice question.

47.0g of nitrous acid, HNO2, is added to 4L of water. What is the resulting pH? !\dpi{100} \small \left (K_{a}=4.1\times 10^{-4} \right )(https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/18681/gif.latex)

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