a scientist was curious about the compound found in the athletes urine. He wanted to know how many molecules of the steroid was
in 75 grams of the compound. hint the molar mass of the compound is 312g/mol
1 answer:
Answer:
2.5055 x 10^24
Explanation:
312 grams = 6.023 x 10^23 particles
75. grams= m particles
CROSS MULTIPLY
312m=75 x 6.023 x 10^23
m=(312/75) x 6.023 x 10^23
m=25.055 x 10^23
m=2.5055 x 10^24
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