1.

What molar concentration of NH_3 provides a [OH^-] OF 1.5xx10^(-3) ? (K_b= 1.8xx10^(-5)):

Answer»

0,125 M
`(0.125+1.5xx10^(-3))` M
`(0.125-1.5xx10^(-3))` M
`1.5xx10^(-3) M

Answer :A


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