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A compound has empirical formula CH2O and formula mass 120.10 amu. What is the molecular formula of the compound?
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A compound has empirical formula CH2O and formula mass 120.10 amu. What is the molecular formula of the compound?

User Chanafdo
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3 votes

Answer:

c4h20

Step-by-step explanation:

that is the anwser

User Tanmay
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The mass of the empirical formula, CH2O, is calculated below.
mass (e.f) = 12.01 + 2 x 1.01 + 16 = 30.3 amu
Then, divide the given formula mass by the one calculated above,
n = 120.10 amu / 30.03 amu ≈ 4
Thus, the molecular formula is C4H8O4.
User Anatoly Rr
by
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