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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