The PH of a 0 $\times$ 10^-3
C)7 $\times$ 10^-3
D)8 $\times$ 10^-6
E)7

question 78

Multiple Choice

The pH of a 0.17 M solution of a weak monoprotic acid,HA,is 2.92.Calculate the K_a for this acid.

• A)0.17
• B)1.2 \(\times\) 10^-3
• C)7.1 \(\times\) 10^-3
• D)8.6 \(\times\) 10^-6
• E)7.3 \(\times\) 10^-11