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

asked Jul 4, 2022 51.4k views

16 votes

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3 votes

Answer:

1st Blank: 1 Co

2nd Blank: 2 Na2S

3rd Blank: 4 Na

4th Blank: 1 CoS2

Step-by-step explanation:

Trust me

Rmalchow answered Jul 9, 2022

8.6k points

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