Calculate the number of moles of MgBra in 500 mL of a 0.80 M solution.
O 4.0 mol
O 0.040 mol
O 40 mol
O 0.40 mol


Answer :

Answer:

0.40mol

Explanation:

M = n/V

n= VM

500mL is 0.5L

n = (0.5)(0.80)

n = 0.40mol