Answered

Fill in the coefficient needed to make the equation balanced.


1. _______ Na + Cl2 → ______NaCl


a. 2, 2
b. 2, 3
c. 2, 1
d. 2, 4


2. _______Al + _______S → Al2S3

a. 2, 2
b. 2, 3
c. 2, 4
d. 2, 6


3. ______ H2 + O2 → ______H2O

A. 2, 2
b. 2, 3
c. 2, 4
d. 2, 8


4. _______Fe + ______O2 → ______Fe2O3

a. 4, 2, 2
b. 4, 2, 1
c. 4, 3, 2
d. 4, 3, 1

Answer :

RASCOGO

Answer:

1 a

2 b

3 a

4. c

Explanation:

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