Answer:
3.27*(10^-5) M
Step-by-step explanation:
For 25°C:
[H3O+] *[OH-] =(10^-14)-->
[OH-]=(10^-14)/[H3O+]-->
[OH-]=(10^-14)/(3.06*10^-10)-->
[OH-]=3.27*(10^-5) M
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