Question

7.00*10^-3 mol of HBr are dissolved in water to make 15.0 L of solution. what is the concentration of hydroxide ions in this solution?

Answer 1

\[c=\frac{ n }{ v }\]
c=concentration (M - Molar - or - moldm^-3)
n=no. of moles (mol)
v=volume (litres - or - dm^3)

Answer 2

\[c=\frac{ 7.00 \times 10^{-3}mol }{ 15.0L }\]
\[c=4.67 \times 10^{-4}M\]