A solution of sodium cyanide, NaCN, has a pH of 11.40. How many grams of NaCN are in 245 mL of a solution with the same pH? KŁ (CN¯) = 1.7 × 10-5 mass = g
A solution of sodium cyanide, NaCN, has a pH of 11.40. How many grams of NaCN are in 245 mL of a solution with the same pH? KŁ (CN¯) = 1.7 × 10-5 mass = g
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A solution of sodium cyanide, NaCN, has a pH of 11.40. How many grams of NaCN are in 245 mL of a solution with the same pH?
Kb (CN–) = 1.7 × 10–5
![**Problem Statement:**
A solution of sodium cyanide, NaCN, has a pH of 11.40. How many grams of NaCN are in 245 mL of a solution with the same pH?
**Given:**
\[ K_b (\text{CN}^-) = 1.7 \times 10^{-5} \]
**Required:**
Calculate the mass (in grams) of NaCN present in the solution.
**Solution:**
\[ \text{mass} = \_\_\_\_\_\_\_ \text{g} \]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb91a8d0c-ccba-43d9-b564-e4e05a79bb72%2F858758f3-5d9b-4f1f-8011-17fadbaaca86%2Fdo3zbkj_processed.png&w=3840&q=75)
Transcribed Image Text:**Problem Statement:**
A solution of sodium cyanide, NaCN, has a pH of 11.40. How many grams of NaCN are in 245 mL of a solution with the same pH?
**Given:**
\[ K_b (\text{CN}^-) = 1.7 \times 10^{-5} \]
**Required:**
Calculate the mass (in grams) of NaCN present in the solution.
**Solution:**
\[ \text{mass} = \_\_\_\_\_\_\_ \text{g} \]
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