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OpenStudy (anonymous):
If 1.0 gram of hydrogen reacts with 19.0 grams of fluorine, then what is the percent by mass of fluorine in the compound that is formed?
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OpenStudy (anonymous):
H2 + F2 -> HF can you calculate it now
OpenStudy (anonymous):
the atomic mass of hx2 and fx2 will give me the answer?
OpenStudy (anonymous):
in this case it is so ( 1/20 = 5% and 19/20=95%)
OpenStudy (anonymous):
ok so H2 + F2 -> HF (1/20=5% and 19/20=95%) is the whole equation and answer?
OpenStudy (anonymous):
no answer is percentage H 5% and F 95 %
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