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GFMs
Mole-Gram & Gram-Mole
Mole-Gram & Gram-Mole II
% Composition
Review Topics
100

This is the gram-formula mass of gold.

What is 197 g/mol?

100

This is the number of grams in 0.35 moles of Ar(g)

What is 14 grams?

100

This is the number of moles in 8.8 grams of Fe(s)

What is 0.16 moles?

100

This is the percent composition of nitrogen in NH3(g)

What is 82% ?

100

An ion with a positive charge

What is a cation?

200

This is the gram-formula mass for H2S(g)

What is 34 g/mol ?

200

This is the number of moles in 150 grams of KF(s)

What is 2.59 moles?

200

This is the number of grams in 1.75 moles of CO2(g)

What is 77 grams?

200

This is the percent composition of carbon in CO(g)

What is 43% ?

200

An ion with a negative charge

What is an Anion?

300

This is the gram-formula mass for molecular nitrogen, N2(g)

What is 28 g/mol?

300

This is the number of grams in 0.25 moles of calcium chloride

What is 19.5 grams?

300

This is the number of moles in 88 grams of potassium sulfide

What is 0.8 moles?

300

This is the percent composition of hydrogen in (NH4)2S(s)

What is 12% ?

300

A reaction that absorbs heat from the surroundings

What is Endothermic reaction?

400

This is the gram-formula mass for aluminum oxalate, Al2(C2O4)3(s)

What is 318 g/mol?

400

This is the number of moles in 7.5 grams of Ca(OH)2(s)

What is 0.10 moles?
400

This is the number of grams in 0.005 moles of (NH4)2O(s)

What is 0.26 grams?

400

This is the percent composition of oxygen in aluminum carbonate

What is 62% ?

400

A reaction that releases heat to its surrounding.

What is an exothermic reaction?

500

This is the gram-formula mass for CuSO45H2O ?

What is 250 g/mol ?

500

This is the number of grams in 0.15 moles of ammonium sulfate

What is 19.8 grams?

500

This is the number of moles in 15.5 grams of copper (II) thiocyanate

What is 0.09 moles?

500

This is the percent composition of water in CuSO45H2O

What is 36% ?

500

K2O

What is the chemical formula for Potassium oxide?