Watch the Chem Tour animation below on buffers before answering the following question. BUFFERS Introduction A pH buffer is a solution that can minimize changes in pH when small amounts of acid or base are added to it. Control of pH is very important for chemical reactions in living systems. Our blood pH is about 7.4, and changes of a few tenths of a pH unit either way can cause serious health consequences. The blood has a buffer system to help regulate pH. Death Acidosis Alkalosis Death 6.6 6.8 7.0 7.2 7.4 7.6 7.8 8.0 Section 1 of 14 2nd attempt Feedback See Periodic Table O See Hint A 1.00 L solution contains 14.52 g of nitrous acid, HNO2. What mass of sodium nitrite, NaNO2, should be added to it to make a buffer with a pH of 3.26? K, (HNO2) = 4.0 x 10-4. 8.79 Normal

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Watch the ChemTour animation below on buffers before answering the following question.
BUFFERS
Introduction
A pH buffer is a solution that can minimize changes in pH when small amounts of acid or base are
added to it.
Control of pH is very important for chemical reactions in living systems. Our blood pH is about 7.4,
and changes of a few tenths of a pH unit either way can cause serious health consequences. The
blood has a buffer system to help regulate pH.
Death
Acidosis
Alkalosis
Death
6.6
6.8
7.0
7.2
7.4
7.6
7.8
8.0
Section 1 of 14
2nd attempt
Feedback
See Periodic Table
See Hint
A 1.00 L solution contains 14.52 g of nitrous acid, HNO,. What mass of sodium nitrite, NaNO,, should be added to it to make a buffer
with a pH of 3.26? K, (HNO2) = 4.0 × 10-4.
* 8.79
Normal
Transcribed Image Text:Watch the ChemTour animation below on buffers before answering the following question. BUFFERS Introduction A pH buffer is a solution that can minimize changes in pH when small amounts of acid or base are added to it. Control of pH is very important for chemical reactions in living systems. Our blood pH is about 7.4, and changes of a few tenths of a pH unit either way can cause serious health consequences. The blood has a buffer system to help regulate pH. Death Acidosis Alkalosis Death 6.6 6.8 7.0 7.2 7.4 7.6 7.8 8.0 Section 1 of 14 2nd attempt Feedback See Periodic Table See Hint A 1.00 L solution contains 14.52 g of nitrous acid, HNO,. What mass of sodium nitrite, NaNO,, should be added to it to make a buffer with a pH of 3.26? K, (HNO2) = 4.0 × 10-4. * 8.79 Normal
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