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Na2S

Refer to the Periodic Table for Relative Atmoc Masses.

2 x Na = 2 x 23 = 46

1 x S = 1 x 32 = 32

46 + 32 = 78 The answer!!!!

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lenpollock

Lvl 15
2mo ago
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Wiki User

10y ago

Na2S, the formula mass is 78.045

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Q: What is the molecular weight for Na2S?
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