You wish to prepare 50.00 mL of 0.0350 M NH3 from concentrated ammonia (15.28 M)

Question

You wish to prepare 50.00 mL of 0.0350 M NH3 from concentrated ammonia (15.28 M) by serial dilution using two 50 mL volumetric flasks, a 1.00 mL pipet, and a 10.00 mL graduated pipet. One mL of concentrated ammonia is added to a 50.00 volumetric flask and it is filled to the line. What volume of this diluted solution should be added to the other volumetric flask to give the 0.0350 M NH3 solution when the flask is filled to the line?

Select one: a. 5.00 mL b. 5.72 mL c. 2.50 mL d. 0.53 mL e. 2.86 mL

Explanation / Answer

c. 2.50 mL

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