Do metals react with acids? If so, what products are most typically formed?

Answer 1

#"Acid + metal "rightleftharpoons" Metal salt + dihydrogen gas"#

#M(s) + 2HX rarr MX_2(aq) + H_2(g)uarr#

This is in fact an oxidation reaction. Most of the time, especially with earlier metals, the hydrogen ion is oxidizing enough to give dihydrogen gas. The typical metal oxidation state is #+II#.

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Answer 2

Mateo Aguilar

Indeed, depending on the metal and the acid used in the reaction, metals react with acids to form metal salts and hydrogen gas. For instance, magnesium reacts with hydrochloric acid to form magnesium chloride and hydrogen gas.

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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.