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What acid does the combination of #HNO_3 + H_2SO_4# create?

Answer 1

#"HNO"_3 + "H"_2"SO"_4 rightleftharpoons "H"_2"O" + "NO"_2^+ + "HSO"_4^-#

This is an acid-base reaction, with sulfuric acid (#"H"_2"SO"_4#) acting as an acid and nitric acid (#"HNO"_3#) acting as a base. After the nitric acid gets protonated, it decomposes to form a water molecule (#"H"_2"O"#) and a nitronium ion (#"NO"_2^+#). The equilibrium lies very much to the left.

Aromatic nitration frequently occurs before this reaction.

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Answer 2

Madison Anderson

The combination of HNO₃ and H₂SO₄ creates nitronium ion (NO₂⁺) and bisulfate ion (HSO₄⁻).

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.