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?

Balance the following reaction: (remember to enter “1” is applicable) [1] C2H6 + [2] O2 → [3] CO2 + [4]  H2O

Periodic Table   Polyatomic Ions List   Conversion Factors   Solubility Rules   What volume of [a] M NaOH is needed to completely titrate [b] L of [c] M sulfuric acid according to the equation: H2SO4(aq) + 2 NaOH(aq) → Na2SO4(aq) + 2 H2O(l)

Periodic Table   Polyatomic Ions List   Conversion Factors   Solubility Rules   A sample of a hydrocarbon is found to contain 8.56 g of carbon and 1.44 g of hydrogen.  What is the empirical formula for this compound?

Balance the following reaction: (Remember to enter “1” where applicable) [x] C4H10 + [1] O2 → [2] CO2 + [3] H2O 

Periodic Table   Polyatomic Ions List   Conversion Factors   Solubility Rules   Consider the following reaction. H2SO4 + 2 KOH → K2SO4 + 2 H2O Identify what main category of reaction it is. If possible, further categorize it into all other relevant types of reaction.

A reaction from lab should theoretically produce [a] grams of product. If the percent yield of this reaction is [b] %, how many grams did the reaction produce?

Periodic Table   Polyatomic Ions List   Conversion Factors   Solubility Rules   Ethanol (C3H6O) is a liquid at room temperature :  1 mole  =  6.02 x 1023 atoms             Density of  C3H6O =   0.815 g/mL What is the molar mass of C3H6O?