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Question
What is the hydroxide-ion concentration in a 0.22 M solution of Na2CO3? For carbonic acid, Ka1=4.2x10-7 and Ka2=4.8x10-11. (Kw=1.0x10-14)
A) 6.8 x10-3M
B) 2.0 x10-4M
C) 7.2 x10-5M
D) 4.2 x10-9M
E) 3.2 x10-6M
Answer
This answer is hidden. It contains 1 characters.
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