Look at the reaction below.

Which substance is the acid in the reaction?
Mg(s)
H2(g)
MgSO4(aq)
H2SO4(aq)

H2SO4 is actually one of the strongest acids, coming to a pH value very close to 1. Acids transfer their hydrogen ions to other substances, such as water, and usually have hydrogen in their formula. In this case, H2SO4 has hydrogen in its formula and is the acid in this case.

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kobenhavn kobenhavn · Answer 2 · 2019-07-05T14:23:13+02:00

Answer: [tex]H_2SO_4(aq)[/tex]

Explanation:

An acid is defined as the acid which completely dissociates when dissolved in water and release [tex]H^+[/tex] ions in their aqueous states.

A base is defined as the base which completely dissociates when dissolved in water and releases [tex]OH^-[/tex] ions in their aqueous states.

[tex]Mg[/tex] is an element, [tex]H_2[/tex] is a compound, [tex]MgSO_4[/tex] is a salt formed by combination of acid and base.

The equation for the dissociation of sulphuric acid is given by:

[tex]H_2SO_4(aq.)\rightarrow 2H^+(aq.)+SO_4^{2-}(aq.)[/tex]

Look at the reaction below. Which substance is the acid in the reaction? Mg(s) H2(g) MgSO4(aq) H2SO4(aq)

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Look at the reaction below.

Which substance is the acid in the reaction?
Mg(s)
H2(g)
MgSO4(aq)
H2SO4(aq)