13gX, 2gY and 8g oxygen. Caculate the mass of Y that combines with 1 mole of oxygen atoms in the compound.
Given that :
1. Relative atomic mass of X :39.0
Chemistry mole calculation?
2015-11-26 12:38 pm
回答 (1)
2015-12-01 9:49 am
Mass ratio Y : O = 2 g : 8 g = w g : 16 g
8w = 32
w = 4
Mass of Y required = 4 g
8w = 32
w = 4
Mass of Y required = 4 g
收錄日期: 2021-04-18 14:17:59
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