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The PH of a Cup of Coffee Is Measured as 5.45.Express

Question 53

Multiple Choice

The pH of a cup of coffee is measured as 5.45.Express this measurement as [H+],using the correct number of significant figures.


A) 3.548 × 10-6 M
B) 3.55 × 10-6 M
C) 3.5 × 10-6 M
D) 4 × 10-6 M
E) 2.82 × 105 M

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