Problem: Part A. 75.0 mL of 0.10 M HF; 55.0 mL of 0.15 M NaFa. this will be a bufferb. this will not be a bufferPart B. 150.0 mL of 0.10 M HF; 135.0 mL of 0.175 M HCla. this will be a bufferb. this will not be a bufferPart C. 165.0 mL of 0.10 M HF; 135.0 mL of 0.050 M KOHa. this will be a bufferb. this will not be a bufferPart D. 125.0 mL of 0.15 M CH 3NH2; 120.0 mL of 0.25 M CH 3NH3Cl a. this will be a bufferb. this will not be a bufferPart E. 105.0 mL of 0.15 M CH 3NH2; 95.0 mL of 0.10 M HCla. this will be a bufferb. this will not be a buffer

FREE Expert Solution

Analyze the Buffer pairs and use the knowledge in the allowed buffer pairs to determine if the reagents are possible buffers. 

Step 1. Establish the possible buffer pairs

A buffer is a solution that can be made up of:

96% (69 ratings)
View Complete Written Solution
Problem Details

Part A. 75.0 mL of 0.10 M HF; 55.0 mL of 0.15 M NaF

a. this will be a buffer
b. this will not be a buffer

Part B. 150.0 mL of 0.10 M HF; 135.0 mL of 0.175 M HCl

a. this will be a buffer
b. this will not be a buffer

Part C. 165.0 mL of 0.10 M HF; 135.0 mL of 0.050 M KOH

a. this will be a buffer
b. this will not be a buffer

Part D. 125.0 mL of 0.15 M CH 3NH2; 120.0 mL of 0.25 M CH 3NH3Cl 

a. this will be a buffer
b. this will not be a buffer

Part E. 105.0 mL of 0.15 M CH 3NH2; 95.0 mL of 0.10 M HCl

a. this will be a buffer
b. this will not be a buffer

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Buffer concept. You can view video lessons to learn Buffer. Or if you need more Buffer practice, you can also practice Buffer practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Al-Nidawy & Green's class at University of Windsor.