The Chemical Acidity of a Solution Is Measured in Units $\mathrm { pH } = - \log \left[ \mathrm { H } ^ { + } \right]$

Multiple Choice

The chemical acidity of a solution is measured in units of pH: $\mathrm { pH } = - \log \left[ \mathrm { H } ^ { + } \right]$ , where [H+] is the hydrogen ion concentration in the solution. What is [H+] if the $\mathrm { pH } = 5.8 ?$

A) 1.58 $\times 10 ^ { - 6 }$
B) 6.31 $\times 10 ^ { - 6 }$
C) 6.31 $\times 10 ^ { - 5 }$
D) 1.58 $\times 10 ^ { - 5 }$
E) 5.800