Which of the following mixtures would result in a bufferedsolution when 1.0 L of

Question

Which of the following mixtures would result in a bufferedsolution when 1.0 L of each of the two solutions are mixed andwhy? a) 0.2 M of HNO3 and 0.4 M NaNO3 b) 0.2 M HNO3 and 0.4 M HF c) 0.2 M HNO3 and 0.4 M NaF d) 0.2 M HNO3 and 0.4 M NAOH Which of the following mixtures would result in a bufferedsolution when 1.0 L of each of the two solutions are mixed andwhy? a) 0.2 M of HNO3 and 0.4 M NaNO3 b) 0.2 M HNO3 and 0.4 M HF c) 0.2 M HNO3 and 0.4 M NaF d) 0.2 M HNO3 and 0.4 M NAOH b) 0.2 M HNO3 and 0.4 M HF c) 0.2 M HNO3 and 0.4 M NaF d) 0.2 M HNO3 and 0.4 M NAOH

Explanation / Answer

The answer is (a) HNO3 and NaNO3Abuffered solution is a solution that contains both acid and base.Furthermore, it should contain conjugate acid-base pair. AfterHNO3 lose its proton, the conjugate base isNO3-. Thus, only chocie 'A' meet the c'riteria of being a buffersolution Hope this helps!

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