How many grams O2
are needed to react completely with 2.60 mole FeS, in this
reaction?     Â
4 FeS...
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Chemistry
How many grams O2 are needed to react completely with 2.60 mole FeS, in thisreaction?      4 FeS + 7 O2→2 FeO3 + 4 SO2
1.28 x 10 3 g
0.258 g
329 g
44.1 g
3.90 x 10 3 g
146 g
74.7 g
1.81 g
How many g of Aluminum are needed to react completely with 12.5mole of Br2, according to the chemical equationbelow? 2Al + 3Br2→Al2Br6
36.6 g
310 g Â
225 g Â
1.42 g
145 g
How many g of Aluminum are needed to react completely with 0.850gram of Mn3O4, according to the chemicalequation below? 3 Mn3O4   + 8 Al --> 9Mn   +   4Al2O3
0.267 g
79.2 g  Â
20.3 g
151 g
13.3 g  Â
86.5 g  Â
14.2 g
3.70 g  Â
Refer to this equation: 3SCl2(l) + 4NaF(s) →SF4(g) +S2Cl2(l) + 4NaCl(s) 12.0 grams SCl2 is reacted and 3.05 grams ofSF4 is formed. What is percent yieldSF4?   Hint: find theoretical yield Hint: percent yield =(actual yield/ theoretical yield) x 100
19.3 %
64.4%
38.0%
27.2 %
82.1%
72.7%
90.1%
58.6%
Look at the following equation:Â Â Â Â Â 3H 2 +Â Â N 2->Â Â 2 NH 3
If 85.0 gram of N 2 gives 86.2 g of NH 3,what is the percent yield of NH 3? Hint: find theoretical yield Hint: percent yield =(actual yield/ theoretical yield) x 100
71.7 %
69.2 %
93.0%
45.1%
83.5 %
36.1%
79.2%
71.9%
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