Problem: Which of the following combinations can result in the formation of a buffer?a) 90 mL of 0.10 M HCN with 70 mL of 0.10 M NH3.b) 70 mL of 0.10 M HC2H3O2 with 30.0 mL of 0.15 M Ba(OH)2.c) 50 mL of 0.10 M HNO3 with 50 mL of 0.10 M NaOH.d) 70 mL of 0.10 M HNO2 with 25 mL of 0.10 M LiH. 

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Problem Details

Which of the following combinations can result in the formation of a buffer?

a) 90 mL of 0.10 M HCN with 70 mL of 0.10 M NH3.

b) 70 mL of 0.10 M HC2H3O2 with 30.0 mL of 0.15 M Ba(OH)2.

c) 50 mL of 0.10 M HNO3 with 50 mL of 0.10 M NaOH.

d) 70 mL of 0.10 M HNO2 with 25 mL of 0.10 M LiH. 

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