123,083 views
37 votes
37 votes
What is the mass of 7. 80 moles of magnesium chloride,

MgCl2?

Express your answer with the appropriate units.

User Brandt Solovij
by
2.5k points

2 Answers

21 votes
21 votes
The mass of MgCl2 is 743g/mol with the correct number of significant figures.
What is the mass of 7. 80 moles of magnesium chloride, MgCl2? Express your answer-example-1
User Robbie Done
by
2.7k points
11 votes
11 votes

Answers:

n = mass/Mr

mass = n × Mr

Hence , mass = 7.8 × 95

= 741 grams

What is the mass of 7. 80 moles of magnesium chloride, MgCl2? Express your answer-example-1
User Stephan Du Toit
by
2.8k points