3 Answered Questions for the topic Buffer Solution

03/05/21

Phosphate Buffer Preparation :Describe how would you prepare a phosphate buffer solution (100.0 mL, 0.100 M, pH 7.00)?
H2PO4− (aq) + H2O (l) ⇌ HPO42− (aq) + H3O+ (aq) pKa2 = 7.20Question: Describe how would you prepare a phosphate buffer solution (100.0 mL, 0.100 M, pH 7.00)? Available Stock Solution: Concentrated... more
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Buffer Solution Chemistry Biochemistry

03/04/21

from a 100mL prepared buffer, only 20mL was used for the addition of a strong acid or base. will the taken 20mL still represents the same moles as the originally prepared buffer solution?
Will the moles of the obtained 20mL buffer from the originally prepared 100mL buffered solution have the same moles or will they be different? What I am sure of is that the concentration of the 2... more
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Buffer Solution Chemistry

06/18/15

chemistry help needed please.....
When  2 moles of HCl is added to 1 litre of an  acidic buffer ,its pH changes from 3.4 to 2.9 . The buffer capacity of the buffer solution is ?     8   4   0   2
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