Asked by Sarah
1. What mass of the compound FeWO4 contains 50.0 grams of tungsten (atomic symbol W, atomic number= 74)?
**Formula mass of FeWO4 is 303.69**
a) 30.0 g FeWO4
b) 304 g FeWO4
c) 82.6 g FeWO4
d) 188 g FeWO4
**Formula mass of FeWO4 is 303.69**
a) 30.0 g FeWO4
b) 304 g FeWO4
c) 82.6 g FeWO4
d) 188 g FeWO4
Answers
Answered by
bobpursley
74/303.69 * whatmass=50
what mass=303*50/74
I don't see a correct answer listed.
If you had a mole of FeWO3, or 304 grams, you would get 74 grams W. But you want 50 grams, or 2/3 of 74, so you need about 2/3 of a mole or about 200 grams.
check my thinking.
what mass=303*50/74
I don't see a correct answer listed.
If you had a mole of FeWO3, or 304 grams, you would get 74 grams W. But you want 50 grams, or 2/3 of 74, so you need about 2/3 of a mole or about 200 grams.
check my thinking.
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