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ololo11 [35]
3 years ago
13

Can someone help me with number 4? Please and thank you

Chemistry
1 answer:
kipiarov [429]3 years ago
6 0

Answer:

1st Blank: <em>1 Co</em>

2nd Blank:<em> 2 Na2S</em>

3rd Blank:<em> 4 Na</em>

4th Blank:<em> 1 CoS2</em>

Explanation:

<em>Trust me</em>

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