A) 0.001 M
B) 0.01 M
C) 0.1M
D) 0.0001 M
Correct Answer: B
Solution :
[b] \[[{{H}^{+}}]=\sqrt{C\times {{K}_{a}}}=\sqrt{0.001\times 1.8\times {{10}^{-4}}}\] for formic acid \[[{{H}^{+}}]=\sqrt{{{C}_{2}}\times 1.8\times {{10}^{-5}}}\] for acetic acid Equating and solving, \[{{C}_{2}}=0.01\,M.\]You need to login to perform this action.
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