The equation for the chemical reaction shown is not balanced. What number should replace the question mark to balance this equation?

2KBr + ?Pb(NO3)2 → 2KNO3+ PbBr2

A. A 6 is required.

B. The equation is balanced as is.

C. A 2 is required.

D. A 3 is required.

Question

The equation for the chemical reaction shown is not balanced. What number should replace the question mark to balance this equation?

2KBr + ?Pb(NO3)2 → 2KNO3+ PbBr2

A. A 6 is required.

B. The equation is balanced as is. 

C. A 2 is required. 

D. A 3 is required.

anonymous · Answer

try to make Pb, N and O have same amount as on the right, this shouldn't be hard.

anonymous · Answer

I know this is a year late, but I think it is balanced as is.  And @Garm please try to understand that what you may find easy, other people may find extremely complicated.