The bromide impurity in a 2.00 g sample of a metal nitrate is precipitated as silver bromide. If 6.40 mL of 0.200"M AgNO"_(3) solution is required, what is the mass percentage of bromide in the sample?

The bromide impurity in a 2.00 g sample of a metal nitrate is precipit

1.	The bromide impurity in a 2.00 g sample of a metal nitrate is precipitated as silver bromide. If 6.40 mL of 0.200"M AgNO"_(3) solution is required, what is the mass percentage of bromide in the sample?
Answer» `1.28` `2.56` `5.11` `9.15` ANSWER :C