(ii) How many moles of NaCl are present in 20 g of the substance?
[Atomic mass of Na = 23, Cl = 35.5 u]
Answers
Answered by
6
Answer:
Molar mass of NaCl = 23+ 35.5 = 58.5
58.5g of NaCl = 1 mole of NaCl
20g of NaCl =
thus 0.34 moles of NaCl are present in 20g of the substance
Similar questions
English,
2 months ago
Math,
2 months ago
Math,
2 months ago
Social Sciences,
5 months ago
Social Sciences,
5 months ago
Math,
11 months ago
History,
11 months ago