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Home Q & A Board Biology-Related Homework Help Cell Biology
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buggyg69 buggyg69
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11 years ago
For example. What is the molarity of a solution of HNO3, which has a pH of 3.25.
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#1
11 years ago
UGH! Junior high flashback
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#2
11 years ago
molarity= 10^ -ph
therefore 10^-3.25= 5.6 xx 10^-4 mol/dm3
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#3
11 years ago
HNO3 is a strong acid and is 100% ionized in water-

HNO3 + H2O Rightwards Arrow H3O^+1 + NO3^-1
pH = -log[H3O+] = 3.25
[H3O+] = 10^-3.25 = 5.62x10^-4 mol/liter
The concentration of the HNO3 solution was 5.62x10^-4 M
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