The equation of 5m+4=7m+6 is equal to m=-1
A, B and D should be the ones you should check
Answer:either satellite tracking or probware.
Explanation:probate. Think its satalite tracking hope this helps.
1 mol Cu - 2 mol Ag
x - 0.854 mol Ag
x=0.854*1/2=0.427
0.427 mol Cu