Practice assignment: Stoichionmetry On a separate sheet of paper, show the setup and answer for each problem. Follow the formal problem solving method that is illustrated in the examples above. For problems (1-7) use the equation: 3 NaHCO, + H,PO, ----> 3 CO, + 3 H2O +Na;PO4 1. Number of moles of CO2 produced from 5.0 moles of H,PO4. The number of grams of CO, formed from 3.0 moles of NaHCO3. The number of grams of NaHCO, needed to produce 6.80 moles of water. 2. 3. 4. Grams of CO2 resulting when 49.0 g of H,PO, reacts. What mass of NaHCO3 reacts in order to produce 450. g of Na,PO,? Calculate the percent yield of Na3PO, if 350. g of Na;PO, are formed from 692 g of NaHCO; If 100.0 g of NaHCO3 is reacted with 100.0 g of H3PO,, which reactant is the limiting 5. 6. 7. reactant? (8-10) For the equation: H2 + CuO ----> Cu+ H2O 8. If 10.0 grams of hydrogen are reacted with CuO, how many grams of water will be produced? What would be the percent yield of water if 10.0 grams of H2 formed 80.0 g of H2O? 9. 10. If 20.0 g of H2 reacts with 40.0 g of CuO which reactant is limiting? Drint A Alternative formats
Practice assignment: Stoichionmetry On a separate sheet of paper, show the setup and answer for each problem. Follow the formal problem solving method that is illustrated in the examples above. For problems (1-7) use the equation: 3 NaHCO, + H,PO, ----> 3 CO, + 3 H2O +Na;PO4 1. Number of moles of CO2 produced from 5.0 moles of H,PO4. The number of grams of CO, formed from 3.0 moles of NaHCO3. The number of grams of NaHCO, needed to produce 6.80 moles of water. 2. 3. 4. Grams of CO2 resulting when 49.0 g of H,PO, reacts. What mass of NaHCO3 reacts in order to produce 450. g of Na,PO,? Calculate the percent yield of Na3PO, if 350. g of Na;PO, are formed from 692 g of NaHCO; If 100.0 g of NaHCO3 is reacted with 100.0 g of H3PO,, which reactant is the limiting 5. 6. 7. reactant? (8-10) For the equation: H2 + CuO ----> Cu+ H2O 8. If 10.0 grams of hydrogen are reacted with CuO, how many grams of water will be produced? What would be the percent yield of water if 10.0 grams of H2 formed 80.0 g of H2O? 9. 10. If 20.0 g of H2 reacts with 40.0 g of CuO which reactant is limiting? Drint A Alternative formats
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Practice assignment: Stoichiometry
On a separate sheet of paper, show the setup and answer for each problem. Follow the formal
problem solving method that is illustrated in the examples above.
For problems (1-7) use the equation:
3 NaHCO, + H;PO4 ----> 3 CO2 +3 H2O +Na;PO4
Number of moles of CO2 produced from 5.0 moles of H;PO,.
1.
The number of grams of CO, formed from 3.0 moles of NaHCO3.
The number of grams of NaHCO, needed to produce 6.80 moles of water.
2.
3.
4.
Grams of CO2 resulting when 49.0 g of H3PO4 reacts.
What mass of NaHCO3 reacts in order to produce 450. g of Na;PO4?
Calculate the percent yield of Na3PO, if 350. g of Na;PO, are formed from 692 g of
5.
6.
NaHCO3,
7.
If 100.0 g of NAHCO3 is reacted with 100.0 g of H3PO4, which reactant is the limiting
reactant?
(8-10)
For the equation:
H2 + CuO ---> Cu + H,O
If 10.0 grams of hydrogen are reacted with CuO, how many grams of water will be
produced?
What would be the percent yield of water if 10.0 grams of H2 formed 80.0 g of H2O?
8.
9.
10.
If 20.0 g of H, reacts with 40.0 g of CuO which reactant is limiting?
Print
A Alternative formats
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