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What is the % mass of oxygen in 453 g of water if 50 g is known to be hydrogen
[From: ][author: ][Date: 11-09-02][Hit: ]
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HELLLPPP!!!
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h2o =2+16=18g
453=2H + 16O
=50+16O
O=25.2ATOM TOTAL OXYGEN 403G, %=403/453=90%
OR simpler 453-50=403, 403/453= 90%
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