Question 689242


A.  5 x 1-^-6 is 5 with the decimal moved 6 places left which is .000005<P>

-log(.000005) = 5.301030


B.  3.5 = -log(H+) ---> -3.5 = log(H+) --->  antilog(-3.5) = H+ concentration (use the 10^x key on the calculator):  3x10*-4
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