Free Practice Question
PS · Problem Solving
sub-505
Mixture
In compound Y, elements C and D are present in a weight ratio of 3:12. How many grams of element D are contained in 450 grams of compound Y?
Answer Choices
Correct answer marked belowA
72
B
216
C
300
360
Correct
E
400
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Explanation
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Official Explanation
Official
The weight ratio of C to D in compound Y is 3:12, which simplifies to 1:4 when both sides are divided by 3. This ratio indicates the weight distribution, allowing us to find the weight of element D using the formula:…
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Comments
2
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R
RubenApr 4, 2024
Great!
L
LakshayOct 6, 2024
Thank for sharing!
What this question tests
What it tests
Your ability to reason about weighted averages and the composition of mixtures.
Common trap
Averaging the percentages of two solutions without weighting by their volumes.
Details
Difficulty
sub-505
Type
PS
Category