Limiting Reactant
Pb(NO3)2 + 2NaI ------> PbI2 + 2NaNO3
25g of lead nitrate and 15.0 grams of sodium iodide are combined in the above reaction(Use NaNO3)
What is the limiting reactant?
NaI
What is the volume of 1 mole at STP?
22.4L/1 mole
How many grams of O2 are produced in the decomposition of 5g of potassium chlorate (KClO3)?
2KClO3 ------> 2KCl +3O2
1.96 g O2
3 NaOH + H3PO3 → Na3PO4 + 3H2O
If 35.60 grams of NaOH is reacted with 30.80 grams of H3PO4, How many grams of Na3PO3 are formed?
48.64 grams Na3PO3
(given/limiting reactant)x100
How many grams of water are produced from 4.00L of O2 at STP?
2 C4H10 + 13 O2 -----> 8 CO2 + 10 H2O
2.47g H2O
15.0 grams of copper (II) chloride is reacted with 20.0 grams of sodium nitrate
CuCl2 + 2NaNO3-------> Cu(NO3)2 + 2NaCl
What is the limiting reactant for this reaction?
CuCl2
What is Avogadro's number?
6.02x1023
From the reaction: B2H6 + O2------->HBO2 + H2O
What mass of O2 will be needed to burn 36.1 g of B2H6?
125g O2
8.5g oxygen is reacted with 16.8g C2H6O
1C2H6O + 3O2 --------> 2CO2 + 3 H2O
(use H20)
What is the limiting reactant?
Coefficients in the chemical equations represent what?
# of moles
Given the following reaction: Na2S2O3 + AgBr-->NaBr + Na3[Ag(S3O3)2]
How many moles of Na2S2O3 are needed to react completely with 42.7 g of AgBr?
0.455 mol Na2S2O3
1,000 grams of NaCl is combined with 2,000 grams Ba3(PO4)2
6NaCl + Ba3(PO4)2 ----------> 2Na3PO4 + 3BaCl2
(use 3BaCl2)
What is the limiting reactant?
NaCl
Draw the map on the board
Mrs. Corey will check
From the reaction: B2H6 + O2------->HBO2 + H2O
How many moles of water are produced from 19.2 g of B2H6?
1.39 mol H2O