Prime Time #17: Stoich Mass to Mass
Authored by Travis Ribordy
Chemistry
12th Grade
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4 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Cl2 + 2KBr → Br2 + 2KCl
How many grams of potassium chloride (KCl) can be produced from 356 g of potassium bromide (KBr)?
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Given the reaction: 6 Mg + P4 → 2 Mg3P2
500g of P4 react with some magnesium. How many grams of Mg3P2 are produced?
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Given the reaction: 6 Mg + P4 → 2 Mg3P2
How many grams of Mg are needed in order to produce 1200 grams of Mg3P2?
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Given the reaction: 2H2 + O2 → 2 H2O
How many grams of H2O can be produced if there is 60 grams of H2 and 40 grams of O2?
*Two Knowns: 60 grams of & 40 grams of : MEANS you NEED TO DO STOICH TWICE!!!
535 grams
45.1 grams
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