Mole Review Jeopardy

Molar Mass

100

When calculating molar mass how do I know where to round?

What is the least past the decimal.

200

What is the molar mass of MgO?

What is 40.304 g.

300

What is the molar mass of H2O?

What is 18.0153 g.

400

What is the molar mass of Be(NO2)2?

What is 101.0232 g.

500

What is the molar mass of Mg3(PO3)2?

What is 230.859 g.

Formulas and Balancing Equations

100

What is the formula for potassium nitrate

KNO₃

200

Balance the following equation:

___NaCl + ____ MgF₂ --> ___NaF + ____ MgCl₂

Balance the following equation:

2NaCl + ____ MgF₂ --> 2NaF + ____ MgCl₂

300

What is the formula for titanium (III) oxide? 

Ti₂O₃

400

Balance the following reaction.

sodium oxide + fluoride -->sodium fluoride + oxygen

   2Na₂O      +     2F₂    -->    4NaF     +     O₂

500

Balance the following reaction:

Calcium carbonate + sodium phosphate --> calcium phosphate + sodium carbonate

3CaCO₃    + 2Na₃PO₄    --->  Ca₃(PO₄)₂  + 3Na₂CO₃

Percent Composition

100

The first step in percent composition is to find the _________________.

What is molar mass.

200

What am I going to divide each individual total by in the problem NaOH?

What is 39.9971 grams.

300

When I have parantheses in my compound what do I do with the subscript on the outside?

What is multiply by the inside subscripts.

400

What is the percent composition of hydrogen in the compound H2O?

What is 11%.

500

What is the percent composition of the Calcium in the compound Ca(NO3)2?

What is 24%.

Single Step Conversions

100

What fraction will you use to convert from moles to liters?

What is 22.4 L/ 1 mole.

200

The mole refers to the _________________ of a substance.

What is the amount.

300

What is the only conversions I need to calculate the molar mass for?

What is moles to mass or mass to moles.

400

How many moles are in 134.6 L of O2?

What is 5.991 L.

500

How many moles are in 5.34 x 10^26 atoms?

What is 887 moles.

Multistep Conversions

100

When you go to liters from grams, what are the two conversion factors that you need? 

What is 1 mole=molar mass and 22.4 L=1 mole.

200

When doing multistep conversions what two fractions do you use when going from particles to grams?

What is 1 mole/6.02 x 10^23 and molar mass/1 mole?

300

How many liters are in 4.65 grams of H2?

What is 51.7 L.

400

How many grams of AlN are in 3.21 x 10¹⁸ particles?

What is 0.000218 grams or 2.18 x 10^-4

500

How many particles are in 34.5 grams of Na2S?

What is 2.66 x 10^23 particles.