chemistry help?

1 ⤊

single replacement
__Zn(s)+__FeCl3(aq)>___ ______+___ ______

__Cr(s)+__Bp(NO3)2(aq)>__ _____+__ ______

2006-12-18 03:54:37 · 2 answers · asked by skyler t 2 in Science & Mathematics ➔ Chemistry

Zn and Pb are 2+, and Fe and Cr are 3+.

So:

3Zn + 2FeCl3 ---> 3ZnCl2 + 2Fe

and

2Cr + 3Pb(NO3)2 ----> 2Cr(NO3)3 + 3Pb

2006-12-18 04:38:49 · answer #1 · answered by Gervald F 7 · 0⤊ 0⤋

3Zn +2 FeCl3--->3 ZnCl2 +2 Fe

Cr +2 Pb(NO3)2--->Cr(NO3)4 + 2Pb

2006-12-18 12:00:39 · answer #2 · answered by science teacher 7 · 1⤊ 1⤋