20 g of metal combines with oxygen to form 60 g of metal oxi... — Chemistry | Mockzy

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20 g of metal combines with oxygen to form 60 g of metal oxide (MO). The percentage of oxygen in metal oxide is:

84.3%

72.9%

33.3%

66.6%

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Find the number of atoms present in 1.6 g of methane:

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20 g of metal combines with oxygen to form 60 g of metal oxide (MO). The percentage of oxygen in met

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