Percent Yield
Limiting Reagent
Combustion
Balancing EQNs
Molarity
100

The formula for calculating percent yield

What is (actual/theoretical)x100%

100

the definition of a limiting reagent

the reactant that runs out first/the reactant that produces the least product

100

the balanced equation for when CH4 undergoes combustion

what is CH4 + 2 O2 --> CO2 + 2 H2O

100

the coefficients in the balanced equation:

H2 + O--> H2O

what is 2,1,2

100

the unit that molarity is measured in

what is moles/liter

200

A reaction with a·calculated yield of 9.23g produced 7.89g of product. What is the percent yield for this reaction?

what is 85.5%

200

the limiting reagent when 3 mol C reacts with 1 mol H, using the equation below

4C + 2 H2 --> 4CH

what is H2

200

the balanced equation for when C4H10 undergoes combustion

what is 2 C4H10 + 13 O2 -> 8 CO2 + 10 H2O

200

the coefficients in the balanced equation:

SeCl6 + O2 --> SeO2 + Cl2

what is 1,1,1,3

200

the molarity of a 0.3L solution containing 0.5mol NaCl

what is 1.67M

300

the percent yield if, given the equation below, 35g of Br2 react to form 27.9g of PBr3

2 P + 3 Br2 --> 2 PBr3

what is 70.63%

300

limiting reactant when 34g of aluminum reacts with 39g chlorine gas to form aluminum chloride via the following reaction:

2 Al + 3 Cl2 --> 2 AlCl3

what is Cl2

300

the balanced equation for when C8H18 undergoes combustion

2 C8H18 + 25 O2 --> 16 CO2 + 18 H2O

300

the coefficients in the balanced equation:

Ca + H2O --> Ca(OH)2 + H2

what is 1,2,1,1

300

The molarity of a solution that was prepared by dissolving 14.2g of NaNO3(molar mass = 85.0g/mol) in enough water to make 350 mL of solution

what is 0.477M

400

the percent yield if, given the equation below, 305g of AgNO3 react to form 23.7g of Mg(NO3)2

2 AgNO3 + MgCl2 --> 2 AgCl + Mg(NO3)2

what is 8.91%

400

the limiting reagent when 10g of C12H22O11 (molar mass: 342.2948) and 10g of oxygen react in the equation below:

C12H22O11 + 12 O2 --> 12 CO2 + 11 H2O

what is O2

400

the balanced equation for when C8H20O2N3 undergoes combustion

what is C8H20O2N3 + 15 O2 --> 8 CO2 + 10 H2O + 3 NO2

400

the coefficients in the balanced equation:

NH3 + O2 --> NO + H2O

what is 4,5,4,6

400

A 0.674M cobalt(II) chloride (CoCl2) solution is prepared with a total volume of 0.0750L. The molecular weight of CoCl2 is 128.9g/mol. What mass (in g) of CoCl2 is needed for the solution?

what is 6.52g

500

using the equation below, find the percent yield if the reaction is carried out in a glass container that has a mass of 14.7 grams, the zinc in the glass container has a mass of 29.5 grams, and the glass container and the zinc chloride together have a mass of 37.5 grams

Zn + 2 HCl --> ZnCl2 + H2

what is 74.03%

500

the limiting reagent when when 50 NBr3 molecules and 57 NaOH molecules react in the reaction below:

2 NBr3 + 3 NaOH ---> N2 + 3 NaBr + 3 HOBr

what is NaOH

500

the balanced equation for when C6H12OS2 undergoes combustion

what is 2 C6H12OS2 + 21 O2 --> 12 CO2 + 12 H2O + 4 SO2

500

the coefficients in the balanced equation:

CO2 + H2O --> C2H5OH + O2

2,3,1,3

500

The mass of NaBr (molar mass = 102.9 g/mol), in grams, needed to prepare 700 ml of 0.230 M NaBr solution

what is 16.6g