Question

How to balance these equations:

1.caco3

2.zn+cuso4
3.cao+h2
4.na2so4+back
5cu+o2
6 cuo+h2
7ni(no3)+2naoh

Answer 1

heya user !

here's your answer :

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•Your solution with balanced equations is being provided in the attachment above.

•since, 4th one wasn't clear to me , I took Na2SO4 + BaCl2 .

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Thank you. Doubts are most welcome :),