1-6-Percent
Chapter
	West Virginia University Dr. Robert Belford

Question 1

What is the mass percent water in a solution made by mixing 41.48 g salt with 972 g water?

(A) 0.95907%

(B) 95.91%

(C) 95.9%

(D) 4.09%

Your response

Not answered yet

Question 2

What is the mass percent salt in a solution made by mixing 41.48 g salt with 972 g water?

(A) .040928%

(B) 4.0928%

(C) 4.093%

(D) 4.09%

Your response

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Question 3

An ore sample is 1.67% gold. How much pure gold is in 23.4 g of the ore?

(A) 0.39078g

(B) 0.3908g

(C) 0.391g

(D) 0.398g

Your response

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Question 4

Modern copper deposits tend to be low grade sulfide ores. What quantity of 0.874% copper ore is required to produce 1.00 lb of copper?

(A) 114.4 lb

(B) 97.4 lb

(C) 23.4 lb

(D) 114 lb

Your response

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Question 5

What mass of sulfur is released upon combustion of 50.0 lbs of low grade coal containing 12.4% sulfur?

(A) 6.2 lb

(B) 6.20 lb

(C) 3.4lb

(D) 3.40 lb

Your response

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