Calculate the [OH−] and the pH of a solution with an [H+]=5.3×10−10 M at 25 °C. [OH−]=
pH=

Calculate the [H+] and the pH of a solution with an [OH−]=3.6×10−5 M at 25 °C .
[H+]=
pH=

Calculate the [H+] and the [OH−] of a solution with a pH=6.92 at 25 °C.
[H+]=
[OH−]=

Please help quickly! I am being timed!
Thank you!

A.

Its a hope this

The answer will be c

The population of unionid mussels decreased after zebra mussels were introduced. zebra mussels competed with the unionid mussels for food. the zebra mussels were able to displace the unionid mussels, allowing the zebra mussel population to increase  over the years. the unionid mussel population decreased because  of lack of food.