College

A student must prepare 5.00 L of 0.100 M Na₂CO₃ (106 g/mol). Which is the best procedure for preparing this solution?

A. Measure 53.0 g Na₂CO₃ and add H₂O until the final homogeneous solution has a volume of 5.00 L.
B. Measure 10.6 g Na₂CO₃ and add H₂O until the final homogeneous solution has a volume of 5.00 L.
C. Measure 53.0 g Na₂CO₃ and add 5.00 kg of H₂O.
D. Measure 10.6 g Na₂CO₃ and add 5.00 kg of H₂O.
E. Measure 53.0 g Na₂CO₃ and add 5.00 L of H₂O.

Answer :

Final answer:

The best procedure is to measure 10.6 g of Na₂CO3 and add water until the solution reaches a volume of 5.00 L.


Explanation:

The best procedure for preparing a 0.100 M Na₂CO3 solution with a volume of 5.00 L is to measure 10.6 g of Na₂CO3 and add water until the final solution has a volume of 5.00 L.


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