1What volume of water in liters would be necessary to dissolve 20.0 grams of sodium chloride, NaCl

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Question:

1 What volume of water in liters would be necessary to dissolve 20.0 grams of sodium chloride, NaCl in order to create a 0.50 M solution? Hint: Molar mass of NaCl is 58.44 g/mol.

Answers

What are the statements?

Answer (b) supersaturation;

It is a ok  i know i have a brain functioning well.                                                                                                                                                           

Iron reacts with oxygen in a chemical hand-warmer. how should this reaction be categorized? the correct answer is: a). as an exothermic process because it releases heat

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