Register
How many moles are in 843 grams of MgCl2
191k views
19 votes
How many moles are in 843 grams of MgCl2

User Nikhilesh
by
3.0k points

2 Answers

7 votes
n=m/M
We have m[MgCl2]=843g, M[MgCl2]=95g/mol
So n[MgCl2]= 843/95=8.87mol
User Ceteras
by
2.9k points
7 votes

Answer:

moles = mass / Molar mass

  • Mass = 843
  • molar mass = 95.211

moles -> 843/95.211 = 8.85 mol

User Silverio
by
3.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.3m questions

4.2m answers

Other Questions

What is the variable for this number 22.4L?
Which of the following aqueous solutions are good buffer systems? . 0.29 M perchloric acid + 0.15 M potassium perchlorate 0.16 M potassium acetate + 0.26 M acetic acid 0.18 M hydrofluoric acid + 0.12 M
1. If temperature is increased, the number of collisions per second do what
A helium balloon containing 0.100 mol of gas occupies a volume of 2.4 L at 25 C and 1.0 atm. how many moles have we added if we inflate it to 5.6 L?
TRUE or FALSE: Volcanoes help warm the planet by releasing CO2 (carbon dioxide)
Link Copied!