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What is the pH of a solution obtained by adding 50.0 mL of 0.100 M NaOH...

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Question

Chemistry

What is the pH of a solution obtained by adding 50.0 mL of 0.100M NaOH (aq) to 60.0 mL of 0.100 M HCl (aq)?

Select one:

a. 11.96

b. 2.04

c. 3.11

d. 7.00

QUESTION 2

What is the pH of a solution prepared by dissolving 5.86 gramsof propanoic acid, CH3CH2COOH (l),and 1.37 grams of NaOH (s) in enough water to make exactly250.0 mL of solution. pKa = 4.87 for propanoicacid?

Select one:

a. 4.58

b. 4.87

c. 4.75

d. 4.62

Answer & Explanation Solved by verified expert
3.8 Ratings (568 Votes)
Moles of NaOH in 01M whose volume is 50ml 015010000005 Moles of HCl in 60ml of 01M 016010000 0006 Based on the reaction HCl NaOH NaCl H2O both ae strong bases all    See Answer
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