A 1.0-L buffer solution contains 0.100 mol acid, HA, and 0.100 mol base, NaA. The value of Ka for the acid HA is 1.8x10*. Ignoring the small volume change, what is the most likely pH of the solution if a 10.0 mL-sample of 1.00 M HCI is added to the original buffer? 1.10 < pH < 1.30 O 3.50 < pH < 3.70 O 7.15 < pH < 7.35 O 9.30 < pH < 9.50

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A 1.0-L buffer solution contains 0.100 mol acid, HA, and 0.100 mol base, NaA. The
value of Ka for the acid HA is 1.8x10. Ignoring the small volume change, what is
-4
the most likely pH of the solution if a 10.0 mL-sample of 1.00 M HCI is added to
the original buffer?
O 1.10 < pH < 1.30
O 3.50 < pH < 3.70
O 7.15 < pH < 7.35
O 9.30 < pH < 9.50
Transcribed Image Text:A 1.0-L buffer solution contains 0.100 mol acid, HA, and 0.100 mol base, NaA. The value of Ka for the acid HA is 1.8x10. Ignoring the small volume change, what is -4 the most likely pH of the solution if a 10.0 mL-sample of 1.00 M HCI is added to the original buffer? O 1.10 < pH < 1.30 O 3.50 < pH < 3.70 O 7.15 < pH < 7.35 O 9.30 < pH < 9.50
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