A
B
C
D
5

What is stoichiometry?

Stoichiometry is the relationship between the number of reactants and products before, during and after chemical reactions

5

Stoichiometry has a relationship that involves_______

reactants and/or products

5

Summing up the total mass of all atoms that make up a molecule per mole is called?

molecular mass

5

Who created stoichiometry?

Jeremias Benjamin Richter

10

Limiting reagent in a chemical reaction that has___________________________________

the smallest coefficient

10

the number of atoms of a given element X on the reactant side must equal the number of atoms of that element on the________

  • product

10

In an unknown compound, the molar ratio of carbon, hydrogen, and oxygen is found to be, respectively, 1:2:1. The molar mass is separately found to be 180 grams/mol. Which of the following gives the molecular formula of the compound?

A. C6H12O6

B. C1H21O

C. C8H8O2

D. C6H1O8

A. C6H12O6

25

If 138.6 g of KClO is heated and decomposes completely, how many grams of oxygen gas would be produced?

54.236/54 g

25

H2 + Cl2--> 2 HCl (needs balanced)

How many grams of HCl can be produced if 7.25 g of Cl2 is reacted with an unlimited supply of H2?

 7.46 g HCI

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