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20-08-2020
Biology

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what is the mass of compound to the nearest gram

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skylerakin23 skylerakin23

20-08-2020

Answer:

Explanation:

mass of Na = 23 u

mass of S = 32 u

mass of oxygen = 16 u

Thus, Na2S2O3

= 23(2) + 32(2) + 16(3)

= 46 + 64 + 48

= 110 + 48

= 158 u.

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