Answer:
4.27 moles of NaCl
Explanation:
Molar mass of NaCl = 23 + 35.5 = 58.5 g/mol
Number of moles of NaCl(table salt) = 250 grams /58.5 g/mol
= 4.27 moles of NaCl
Answer:LOL
42
5.50 moles of magnesium oxide is 221.6742 grams
to do this you multiply the number of moles by the molar mass