Question

Calculate the number of moles and grams of monobasic and dibasic sodium phosphate necessary to prepare 200 mL of 1.7 M phosphate buffer at pH 7.4. (H2NaPO4 MW 119.98, Na2HPO4 MW 141.96, pKa 7.21).

Name: calculate the number of moles and grams of monobasic and dibasic sodium phosphate necessary to prepare 200 ml of 17 m phosphate buffer at ph 74 h2napo4 mw 11998 hna2po4 mw 14196 pka 721 24335
Uploaded: 2022-01-30T22:57:50-08:00
Duration: 4 min 43 s
Channel: David Collins
Description: calculate the number of moles and grams of monobasic and dibasic sodium phosphate necessary to prepare 200 ml of 17 m phosphate buffer at ph 74 h2napo4 mw 11998 hna2po4 mw 14196 pka 721 24335

          Calculate the number of moles and grams of monobasic and dibasic sodium phosphate necessary to prepare 200 mL of 1.7 M phosphate buffer at pH 7.4. (H2NaPO4 MW 119.98, Na2HPO4 MW 141.96, pKa 7.21).

Added by Michael B.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert David Collins

01/30/2022

Step 1

Given that the volume is 200 mL and the concentration is 1.7 M, we can calculate the total moles needed: Volume = 200 mL = 0.200 L Total moles = Concentration x Volume = 1.7 mol/L x 0.200 L = 0.340 moles Show more…

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Calculate the number of moles and grams of monobasic and dibasic sodium phosphate necessary to prepare 200 mL of 1.7 M phosphate buffer at pH 7.4. (H2NaPO4 MW 119.98, Na2HPO4 MW 141.96, pKa 7.21).