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10.3 moles of H2O are produced. How
many moles of Fe are also produced?
A. 15.5 mol Fe
B. 6.87 mol
C. 5.2 mol Fe
D. 20.6 mol Fe
25.0 g H2 are reacted, how much Fe is
produced?
Molar masses: 2.02 g/mol H2, 55.9 g/mol Fe
A. 0.903 g Fe
B. 1,112 g Fe
C. 692 g Fe
D. 346 g Fe
If 0.425 mol H2O are produced, how
many moles of CO3 were reacted?
A. 0.425 mol CO3
B. 0.850 mol CO3
C. 0.213 mol CO3
D. 0.626 mol CO3
If 1.20 g CO3 are reacted, how much NH3
will be produced?
Molar masses:
60.0 g/mol CO3, 17.0 g/ mol NH3
A. 0.17 g CO3
B. 0.68 g CO3
C. 8.47 g CO3
D. 2.12 g CO3
If 0.425 mol HO are produced, how
many moles of CO3 were reacted?
A. 0.425 mol CO3
B. 0.850 mol CO3
C. 0.213 mol CO3
D. 0.626 mol CO3
25.0 g H, are reacted, how much Fe is
produced?
Molar masses: 2.02 %mol Ha, 55.9 %/mol Fe
A. 0.903 g Fe
B. 1,112 g Fe
C. 692 g Fe
D. 346 g Fe
10.3 moles of H,O are produced. How
many moles of Fe are also produced?
A. 15.5 mol Fe
B. 6.87 mol
C. 5.2 mol Fe
D. 20.6 mol Fe
If 17.3 g SO, are reacted, how much O
is consumed?
Molar masses: 32.0 %/mol O2, 64.0 9/mol SO2
A. 17.3 g 02
B. 0.135 g O
C. 0.270 g 0,
D. 4.33 g 02
Solve the following system of equations and provide a graphical representation of the solution.
y - x = 1
x2 + y2 = 13
mammals have important roles in the food webs of practically every ecosystem
