1.

Hclo is a weak acid. What is the concentration of H^+ions in 0.1 solution of Hclo '(K_a = 5 xx 10^-8)?

Answer»

`7.07xx10^(-5)` M
`5XX10^(-7)` M
`5xx10^(-7)` M
`7XX10^(-4)` M

Answer :A


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