Worksheets3 Step Calculations
Total questions: 10
Worksheet time: 5mins
To transform from grams of one substance to another, how many steps are involved?
1
2
3
4
To transform from grams of one substance to grams of another, what are the steps you take?
Grams A --> Moles A--> Grams B --> Moles B
Grams A --> Moles B --> Grams B
Grams A --> Grams B
Grams A --> Moles A --> Moles B --> Grams B
When setting up each step, the unit that you want is placed ______ and the previous unit is placed _____.
On the top; on the top
On the bottom; on the top
On the top; on the bottom
On the bottom; on the bottom
When you start with grams of a substance, the next conversion factor will be....
Molar Mass A
1 mole A
Molar Mass A
Given Mass A
1 Mole A
Molar Mass A
1 mole A
1 mole B
For the second step, what is the correct set up with the molar ratio?
___ mole A
___ mole B
1 mole A
1 mole B
1 mole B
___ mole A
___ mole B
___ mole A
For the final step, what is the correct set up?
1 mole B
molar mass B
molar mass B
molar mass A
molar mass B
given mass A
molar mass B
1 mole B
When completing the calculation in a calculator, you ______ the terms on top and _____ the terms on the bottom.
add; subtract
multiply; divide
divide; multiply
multiply; multiply
Using the following equation, calculate how many grams of PBr3 are produced from 50 grams of P.
2 P + 3Br2 --> 2PBr3
291 g
437 g
655 g
521 g
Using the following equation, determine which reactant is the limiting reactant, when you mix 10 grams of P and 50 grams of Br2.
2 P + 3Br2 --> 2PBr3
P
Br2
PBr3
None
Using the following equation, determine how much PBr3 is formed, when you mix 10 grams of P and 50 grams of Br2.
2 P + 3Br2 --> 2PBr3
50 g
87.4 g
56.5 g
27.7 g
