Question 4 (2 points)
Potassium chlorate decomposes into potassium chloride and oxygen gas according to
the following equation:
2 KClO3 --> 2 KCl + 3 O2
Use the equation above to answer the questions that follow:
How many grams of potassium chloride will be produced from the decomposition of
4.00 moles of oxygen?
Do not put the answer in scientific notation. Do not include the substance as part of
your unit. Units should be all lowercase letters and singular (not plural) and no
spaces among units. You will choose from the following units:
В
g/mol
mol
Answers: 2
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Four statements about the development of the atomic model are shown below. a: electrons have wavelike properties. b: atoms have small, negatively charged particles. c. the center of an atom is a small, dense nucleus. d: atoms are hard, indivisible spheres. which order of statements represents the historical development of the atomic model? c-d-a-b c-d-b-a d— в-а — с d-b-c-a
Answers: 1
Question 4 (2 points)
Potassium chlorate decomposes into potassium chloride and oxygen gas accordin...
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