Chemist needs a buffer with

  1. The pH of the nitrite buffer has changed from 3.00 to 2.80 by adding 11.0mL of 12.0M HCL. How many grams of solid sodium
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    2. nicole asked by nicole
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  2. Chemist needs a buffer with pH of 4.5.how many milliliters of pure CH3COOH (density;1.049g/ml) must be added to 500ml of 0.1M
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    2. Heston asked by Heston
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  3. A chemist needs to prepare a buffer using the carbonate system (information in the table below) with a final pH of 6. Which
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    2. J asked by J
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  4. A chemist needs to prepare a buffer using the carbonate system (information in the table in the previous quetion) with a final
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    2. J asked by J
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  5. A chemist wishes to prepare 250mL of a buffer that is pH = 4.50. Beginning with 100mL of 0.12 mol L^(-1) acetic acid and a
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    2. guess who asked by guess who
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  6. A chemist needs to prepare a buffer solution of pH 8.80. What molarity of NH3 (pKb = 4.75) is required to produce the buffer
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    2. Cortney asked by Cortney
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  7. 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
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    2. James asked by James
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  8. 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
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    2. MAD asked by MAD
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  9. 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
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    2. Chelsea asked by Chelsea
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  10. Which is the main buffer system found in the ECF?A)HCI /NaOH buffer system B)phosphate buffer system C)CO2 / HCO3 buffer system
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