Stoichiometry mole & mass
Flashcard
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
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10 questions
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1.
FLASHCARD QUESTION
Front
Mole ratio of H2O to H3PO4 in P4O10 + 6 H2O --> 4 H3PO4
Back
6:4
2.
FLASHCARD QUESTION
Front
2Al + 3H2SO4 -> Al2(SO4)3 + 3H2
How many grams of aluminum sulfate would be formed if 250g H2SO4 completely reacted with aluminum?
Back
290 g
3.
FLASHCARD QUESTION
Front
For the reaction Cl2 + 2KBr → Br2 + 2KCl, how many grams of potassium chloride can be produced from 356 grams potassium bromide? Options: 749 g, 225 g, 479 g, 814 g
Back
225 g
4.
FLASHCARD QUESTION
Front
How many grams are in 7.8 moles of NaCl?
Back
452 grams
5.
FLASHCARD QUESTION
Front
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles of iron can be made from 6 moles H2?
Back
4 moles Fe
6.
FLASHCARD QUESTION
Front
Mole to mole ratio of propane to carbon dioxide in the equation?
Back
1:3
7.
FLASHCARD QUESTION
Front
Balance this reaction: ____ RbNO3 + ____ BeF2 ----> ____ Be(NO3)2 + ____ RbF
Back
2,1,1,2
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