Q$$estion $361$ points A $30\mathrm{.}00-$mL sample of a weak monoprotic acid is titrated with $0\mathrm{.}0915$MNaOH At the endpoint, it is found that $45\mathrm{.}98mL$ of titrant was used. What was the concentration of the weak acid? a$.4\mathrm{.}21M$ b$.0\mathrm{.}0597M$ c$.6\mathrm{.}63{10}^{-5}M$ d$.0\mathrm{.}140M$ e$.0\mathrm{.}0915M$ Q$$estion $361$ points A $30\mathrm{.}00-$mL sample of a weak monoprotic acid is titrated with $0\mathrm{.}0915$MNaOH At the endpoint, it is found that $45\mathrm{.}98mL$ of titrant was used. What was the concentration of the weak acid? a$.4\mathrm{.}21M$ b$.0\mathrm{.}0597M$ c$.$