the average atomic mass of a sample of an element X is 16.2 u what are the percentage of isotopes 16/8X and 16/8X in the sample
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(of a sports team or player) take the role of hitting rather than throwing the ball.
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an implement with a handle and a solid surface, typically of wood, used for hitting the ball in games such as cricket, baseball, and table tennis.
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Answer:
Let % of 16 mass be 'x'
so % of 18 mass will be 100-x
so now
16.2 = [16x + 18(100-x) ]÷100
solving further
1620= 16x + 1800 - 18x
2x = 180
x = 90
so abundace of 16 mass will be 90% and 18 mass will be 10%
Explanation:
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