Stoich Test Prep

Balancing Equations

100

__Na2O + __HCl --> __H2O +__ NaCl

1, 2, 1, 2

200

__ H2 + __ O2 --> __ H2O

2, 1, 2

300

Balance the following: __ N2 + __ F2 --> __ NF3

1, 3, 2

400

Balance the following formula: _C3H8 + _O2 --> _CO2 + _H2O

1, 5, 3, 4

500

___ Na2O + ___ H2O → ___ NaOH

1, 1, 2

Molar Mass

100

CO2

Carbon dioxide

200

H2O

18

300

NaOH

40

400

CH3O2

47 g

500

H2SO4

98 g

Using Stoich

100

How many grams are 2.5 moles of H2O?

45 grams

200

Using the following reaction, predict how many moles of H2 will be produced if you start with 4 moles of HCl: _Zn + _HCl --> _ZnCl2 + _H2

2 moles

300

100 grams of MgSO4 is how many moles?

0.8308 moles

400

If there is 50 grams of NF3 produced, how much F2 did you start with? _ N2 + _ F2 --> _ NF3

40.13 grams

500

Using the following reaction, predict the amount (in grams) of product that you will form if you start with 150 grams of H2 in excess of N2: _N2 + _H2 --> _NH3

about 1700 grams

Molarity

100

6.02 * 10^23

what is avogadros number

200

I have a Mole of something, how many things do I have

6.02*10^23

300

If I have 18 g of H2O how many moles do I have

1 mole of H2O

400

How much volume does 2 moles of gas take up

44.8L

500

If I have 11.2 L of gas how many moles do I have

.5 moles

Random Questions

100

what is calc short for

calculator

200

What college is Ms. A go to

Georgia Tech

300

What is the third planet from the sun

Earth

400

How do you say 6 in roman numerals

VI

500

How far can you park from a fire hydrant?

at least 15 ft away