chem..small quiz please please help?

S

Shae

New member
1. What is the [H3O+] of a solution with [OH-] of 2.45 x 10-8? Remember, Kw = 1.0 x 10-14
A. 4.1 x 10-6
B. 4.1 x 10-7
C. 4.1 x 10-8
D. 2.45 x 10-7

2. What is the [H3O+] of a solution with [OH-] of 4.4 x 10-11?
A. 2.3 x 10-4
B. 2.3 x 10-3
C. 2.3 x 10-5
D. 2.3 x 104

3. What is the [H3O+] of a solution with [OH-] of 1.0 x 10-7?
A. 7
B. 1.0 x 107
C. 1.0 x 10-8
D. 1.0 x 10-7

4. What is the [OH-] of a solution with [H3O+] of 2.5 x 10-2?
A. 4
B. 4.0 x 1013
C. 4.0 x 10-13
D. 4.0 x 10-12

5. What is the [OH-] of a solution with [H3O+] of 1.7 x 10-5?
A. 5.9 x 1010
B. 5.9 x 10-11
C. 5.9 x 10-4
D. 5.9 x 10-10
 
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