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OpenStudy (anonymous):
The percentage by mass of elements in a particular pure substance will vary from sample to sample. true or false??
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OpenStudy (anonymous):
False
OpenStudy (anonymous):
why false??
OpenStudy (anonymous):
It may help to think of a specific example. Would the percentage of oxygen in a glass of water vary with each glass you pour from your faucet?
OpenStudy (anonymous):
lol no., i get it now thanks :)
OpenStudy (anonymous):
Your Welcome:)
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