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Since quantity is not mentioned, we take on mole of Sodium Carbonate.

One mole of Sodium Carbonate=106g

One mole of Na2CO3 has 3 moles of oxygen which are equal to 48g

Mass% of oxygen = 48/106 * 100 =45.28%

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13y ago
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15y ago

sodium carbonate is Na2CO3 Na has an Atomic Mass of 23, C is 12, and O is 16. That gives it a total Mass of 106, 46 of that being Na. That makes it 43.4% Sodium.

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13y ago

Na2O - Sodium Oxide

Via moles - 33.3333....% Sodium

By mass ~ 74.2% Sodium

Oxygen 15.999 g/mol

Sodium 22.990 g/mol

Na2O 61.979 g/mol

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6y ago

Na = 23
H = 1C = 12

O = 16 x 3 = 48

Total = 23 + 1 + 12 + 48 = 84

%Na = 23/84 (x100%) = 27.4%

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13y ago

100/1 x 208/284 = 73.2394366%

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Q: What is the percent sodium in sodium oxide?
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