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Explanation:- Volume percentage is the ratio of volume of solute to the volume of solution defined in terms of percentage.

Given: volume of solute = 29.4 ml
Volume of solution= 359 ml

H₂O + H₂O ⇌ H₃O⁺ + OH⁻
You use two single-barbed arrows pointing in opposite directions (technically rightwards harpoon over leftwards harpoon) <em>to indicate a reversible reactio</em>n.
Essentially the term binary, meaning each different thing has two components. Binary ionic compounds have two ionic compounds, binary molecular compounds have two molecular compounds, and binary acids have two acids.