Problem: Which of the following combinations would be a buffer?W. 1.0 mol NaCl + 1.0 mol HCl in 1.00 liter solutionX. 1.0 mol KNO3 + 1.0 mol HNO3 in 1.00 liter solutionY. 1.0 mol KNO2 + 1.0 mol HNO2 in 1.00 liter solutionZ. 1.0 mol NH4Cl + 1.0 mol NH3 in 1.00 liter solutionA. Y onlyB. W and X onlyC. X and Y onlyD. all will be buffersE. Y and Z only

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Which of the following combinations would be a buffer?

W. 1.0 mol NaCl + 1.0 mol HCl in 1.00 liter solution

X. 1.0 mol KNO3 + 1.0 mol HNO3 in 1.00 liter solution

Y. 1.0 mol KNO2 + 1.0 mol HNO2 in 1.00 liter solution

Z. 1.0 mol NH4Cl + 1.0 mol NH3 in 1.00 liter solution

A. Y only

B. W and X only

C. X and Y only

D. all will be buffers

E. Y and Z only

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