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What is the mass of sodium needed to make 2 g of sodium oxide (4Na + O2 → 2Na2O)?
Ar values: O = 16, Na = 23.

please help im really struggling. also please try to explain it to the simplest form because i really don't understand.

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asked by sarah
  1. i got 1.48

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    posted by pikachu
  2. but how?

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    posted by sarah
  3. i think that is correct but i dont know how to get to that

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    posted by sarah

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