Question

Which of the following solutions is acidic? A. [H30+] = 7.0x10^-7 M B. [H3O+] = 1.5...

Which of the following solutions is acidic?

A. [H30+] = 7.0x10^-7 M

B. [H3O+] = 1.5 x 10^-10 M

C. [H3O+] <7.0 X 10^-7 M

D. [H3O+] > 7.0 X 10^-7 M

E. [H3O+] = 1.0 X 10^-14

I attempted this by finding pH via the negative log of each H3O value.... which gives me a pH of 6.15 when [H3O+] is 7.0 x 10^-7 M. The way the question is worded is tricky however - it seems that only one answer is wanted (and all other questions in this assignment have only one answer) but technicially wouldn't a pH = 6.15 AND <6.15 both be acidic? and, potentially, couldnt a ph of >6.15 POSSIBLY be acidic as well if it were under 7?

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Answer #1

To knou rthich soution is 084S-T] 6 15 ら pH is lis so it 1&a 15×10-ion L0 1160- 10] _ph -(9-82)->그 So it is basic pH( 6.22 41pHー)log L1.el -14 log.to) Basic Looking into aboe ansasBEE ar -basic 4 shoe as A-t-e- Among A,CD D D ame acidic

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