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why are buffer so important

A buffer consists of 0.14 M KHCO3 and 0.61 M K2CO3. Carbonic acid is a dirpotic acid with Ka1= 4.5*10^-7 and Ka2= 4.7*10^-11.a)
1. 1 answer
2. asked by Justine
3. 870 views
A buffer is made up of .300 L each of .500 M KH2PO4 and .317 M K2HPO4. Assuming tha the volumes are additive, calculatea) the pH
1. 0 answers
2. asked by James
3. 1,160 views
I have trouble how to resist pH in buffer solutions ( in acidic buffer , and in basic buffer ) when we add an acid , and a base
1. 3 answers
2. asked by MAD
3. 615 views
If you add 5.0 mL of 0.50 M NaOH solution to 20.0 mL to Buffer C, what is the change in pH ofthe buffer? (where buffer C is
1. 3 answers
2. asked by Chelsea
3. 5,855 views
Which is the main buffer system found in the ECF?A)HCI /NaOH buffer system B)phosphate buffer system C)CO2 / HCO3 buffer system
1. 1 answer
2. 172 views
A buffer consists of 0.16 M KHCO3 and 0.39 M K2CO3. Carbonic acid is a diprotic acid with Ka1 = 4.5 10-7 and Ka2 = 4.7 10-11.(a)
1. 5 answers
2. asked by Edward
3. 4,592 views
A buffer solution is prepared by mixing 2.50 mL of 2.00M sodium acetate with 3.30mL of 0.500M HCl and diluting the buffer with
1. 1 answer
2. asked by Maria
3. 783 views
How do you calculate the pH when the following substances are added to a buffer.(all of the solutions are at .10M conc.)The
1. 1 answer
2. asked by Mary
3. 1,305 views
How do you calculate the pH when the following substances are added to a buffer.(all of the solutions are at .10M conc.)The
1. 1 answer
2. asked by Mary
3. 654 views
A buffer is made at pH 7.3. 0.15 M using imidazole And 1 M hydrochloric acid to form the buffer. Can you show calculations for
1. 2 answers
2. asked by Tommy
3. 562 views