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Periodic Table   Polyatomic Ions List   Conversion Factors   Solubility Rules   Consider a [x] * 1023 molecules sample of C[y]H[z].  How many moles of H atoms would be in the sample?

Periodic Table   Polyatomic Ions List   Conversion Factors   Solubility Rules   What is the oxidation number of S in H2SO3 in the following compound?

Which of the following substances is NOT soluble? (Select all that apply)

Periodic Table   Polyatomic Ions List   Conversion Factors   Solubility Rules   How many mL of a [a] M HCl solution would it take to make a 250.0 mL of a [c] M solution?

Periodic Table   Polyatomic Ions List   Conversion Factors   Solubility Rules   In the following oxidation-reduction reaction, what is being oxidized? H2 + Cl2 → 2 HCl

Periodic Table   Polyatomic Ions List   Conversion Factors   Solubility Rules   Calculate the molarity of a sucrose solution made by dissolving [a] grams sucrose into water given [b] mL of solution. The molar mass of sucrose is 342.2 g/mol.

Periodic Table   Polyatomic Ions List   Conversion Factors   Solubility Rules   Given the following equation: 2 KClO3 → 2 KCl  + 3 O2 How many grams of were there of Potassium Chlorate (KClO3) if [x] KCl was produced in the decomposition?

Periodic Table   Polyatomic Ions List   Conversion Factors   Solubility Rules   What is percent composition of Hydrogen (H) in C[x]H[y]? 

A reaction from lab should theoretically produce [x] grams of product. If the reaction actually produced [y] grams, What is the percent yield of the reaction?

Periodic Table   Polyatomic Ions List   Conversion Factors   Solubility Rules   What is the oxidation number of I in HIO2 in the following compound?