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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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biochicka biochicka
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Posts: 307
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8 years ago
A shampoo has a hydronium-ion concentration of 1.9 x 10 ^ –6. What is its pH?

A.   –1.00
B.   –5.72
C.   5.72
D.   1.00
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wrote...
#1
Staff Member
8 years ago
Take the -log of the H+ or H30+ (same thing for this type of question)

so -log[1.9e-6] =5.72 its slightly acidic
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