Stoich Test Review
Authored by Tim Healy
Chemistry
Used 5+ times
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115 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mole ratios are obtained from the
balanced chemical equation
periodic table
molar mass
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the mole ratio of H2O to H3PO4 in the following chemical equation? P4O10 + 6 H2O --> 4 H3PO4
6:4
4:6
1:3
3:1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2Al + 3H2SO4 -> Al2(SO4)3 + 3H2
How many grams of aluminum sulfate would be formed if 250g H2SO4 completely reacted with aluminum?
0.85 g
290 g
450 g
870 g
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
For the reaction represented by the equation Cl2 + 2KBr → Br2 + 2KCl, how many grams of potassium chloride can be produced from 356 grams potassium bromide?
749 g
225 g
479 g
814 g
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
How many grams are in 7.8 moles of NaCl?
476grams
460 grams
452 grams
462 grams
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Balance the following reaction :
CaC₂(s) + H₂O(l) --> C₂H₂(g) + Ca(OH)₂(aq)
1,2,2,2
1,2,1,1
2,1,1,1
2,1,2,1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2Na + 2H2O → 2NaOH+ H2
How many grams of hydrogen are produced if 120 g of Na are available?
5.2 g
2.6 g
690 g
45 g
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