Balancing Equations
Mole to Mole
Mole to Mass
Random
Sig Figs
100

____SnO2 + ____H2  → ____Sn + ____H2O

1, 2, 1, 2

100

How many moles of sodium are in 120 moles of sodium chloride?

2 Na + 1 Cl2 → 2 NaCl

120 moles

100
  1. How many moles of potassium hydroxide are in 50.0 g of iron (III) bromide?

3 KBr + 1 Fe(OH)3 → 3 KOH + 1 FeBr3

0.508 moles of KOH

100

Who is the other chemistry teacher at El Dorado High? 

Rankin

100

How many sig figs are in the following number?

100

1

200

____BF3 + ___ Li2SO3 → ____B2(SO3)3+ ____LiF

2, 3, 1, 6

200

 How many moles of chlorine gas are in 6.09 moles of sodium chloride?

2 Na + 1 Cl2 → 2 NaCl

3.05 moles

200

How many moles of glucose (C6H12O6) are produced if 27 g  of O2 are reacted according to this balanced chemical equation?

6 CO2 + 6 H2O → 1 C6H12O6 + 6 O2

0.14 mol C6H12O6

200

What's Ms. Kastner's first name? 

Brittany

200

How many sig figs are in the following number?


0.05050

4

300

____CH4 + ____O2 →  ____CO2 + ____H2O

1, 2, 1, 2

300

How many moles of water are in 47 moles of oxygen gas?

4 H2O + 7 CO2 →     1 C7H8 + 9 O2

21 moles

300

How many moles of  HCl are produced if 46 g of CaCl2 are reacted according to this balanced chemical equation?

1 CaCO3 + 2 HCl→ 1 CaCl2 + 1CO2 + 1 H2O

0.83 mol HCl

300

How many pages of our notebook did we fill out this year? 

88 pages

300

Round the following number to 2 sig figs.

234

230

400

____HCN + ___CuSO4 → ___H2SO4 + ____Cu(CN)2

2, 1, 1, 1

400

How many moles of silver sulfide are in 4 moles of sulfur?

____ Ag2S →  ____ Ag + ___ S8

30 moles

400

How many moles of water are in 9000 grams of oxygen gas?

__ H2O + __ CO2 →     __ C7H8 + __ O2

100 moles of H2O

400

Who is the current Arkansas Governor? 

Sarah Huckabee Sanders

400

Round the following number to 3 sig figs.

0.090

0.0900

500

____PCl5 + ____H2O → ____H3PO4 + ____HCl

1, 4, 1, 5

500

How many moles of calcium phosphate are in 0.278 moles of carbonic acid?

___ CaCO3 + ___ H3PO4 → ___Ca3(PO4)2 + ___H2CO3



0.0927 moles

500

How many moles of Phosphorus pentachloride are in 820 grams of water? 

____PCl5 + ____H2O → ____H3PO4 + ____HCl

11 mol PCl5

500

What is Ms. Kastner's new last name going to be? 

Goodwin

500

Round the following number to 2 sig figs. 

25,890

26,000