A student makes a solution of 1.00 X 10^-7 M NaOH at 298K. Which
of the following is NOT true for this solution at 25C?
a) [OH-] > 1.0 X 10^-7
b) [OH-][H3O+] = 1.0 X 10^-14
c) [OH-] > [H3O]
d) [OH-] = 1.0 X 10^-7
e) [OH-]/[H3O+]>1
Explain why!! Please
A student makes a solution of 1.00 X 10^-7 M NaOH at 298K. Which of the...
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1. 2.0 x 10-9 M H3O+ 2. 1.0 x 10-7 M OH¯ 3. 5.2 x 10-6 M H3O+ 4. 3.1 x 10-10 M OH¯ Which of these is characteristic of a basic solution?
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If the [OH–] of a solution is 1.5 × 10–4 M, the [H3O+] is ... (use parethesis to help) A. 1.2 x 10-2 B. 1.0 x 10-7 C. 1.5 x 10-3 D. 6.3 x 10-6 M E. 6.7 x 10-11 M
In the titration of 50.00 mL of 1.00 M HC2H3O2 with 1.00 M NaOH, a student was considering using bromcresol as an indicator. Ka HC2H3O2 = 1.8 x 10-5 Kb for C2H3O2-1 = 5.6 x 10-10 (1)How many milliliters of NaOH would it take to reach the endpoint with this titration? (2)What is the pH of the solution at the end point? (2)What indicator would be a better choice than bromcresol green for this titration?
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