Which statement is true for a solution of $0.020 \ M \ H_2SO_4$?
- A$2 \ L$ of the solution contains $0.020 \ mol$ of $SO_4^{2-}$
- B$2 \ L$ of the solution contains $0.080 \ mol$ of $H_3O^{+}$
- C$1 \ L$ of the solution contains $0.020 \ mol \ H_3O^{+}$
- DNone of these
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