If a compound's empirical formula is CH2O and its' formula mass is 120.12 amu, what is its' molecular formula

  1. 👍
  2. 👎
  3. 👁
  1. CH2O = what for empirical formula mass?
    C= about 12
    H = about 2
    O = about 16
    Total = about 30
    120.12/30 = 4 so the molecular formula is
    (CH2O)4 or C4H8O4.

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Chemistry

    A compound with an empirical formula of C 2H 4Br has a molar mass of 215.90 g/mol. What is the molecular formula?

  2. Chemistry- Empirical Formula

    Aniline, consists of C, H, and N. Combustion of such compounds yields CO2, H2O, and N2. If the combustion of 9.71 mg of aniline yields 6.63 mg H2O and 1.46 mb N2, what is the empirical formula? What is the molecular formula of a

  3. Chemistry

    A compound with the empirical formula CH2O has a molar mass of approximately 90 g/mol. What is its molecular formula?

  4. AP Chemistry

    An organic compound was synthesized and found to contain only C, H, N, O, and Cl. It was observed that when .150g sample of the compound was burned, it produced .138g of CO2 and .0566g of H2O. All the Nitrogen in a different .200g

  1. Chemistry

    A 2.52g sample of a compound containing only carbon, hydrogen, nitrogen, oxygen, and sulfur was burned in excess O to yield 4.36g of CO2 and 0.892g of H20. Another sample of the same compound of mass 4.14g, yielded g of SO3. A

  2. Chemistry

    a compound has an empirical formula of C3H5O2 and a molar mass of 145,14g. what is the molecular formula of this compound?

  3. Chemistry

    An organic compound that has the empirical formula CHO has a molecular mass of 145 amu. Its molecular formula is?

  4. Science/ Chemistry

    When 0.422 g of phosphorus is burned, 0.967 g of a white oxide (a compound of phosphorus and oxygen) is obtained. a. Determine the empirical formula of the oxide. So for the empirical Formula I got P_2O_5 now it wants me to Write

  1. chemistry

    f a compound has an empirical formula of C2HCl what is the molecular formula if the molar mass is 179 g/mol?

  2. Chemistry

    A certain compound containing only carbon and hydrogen was found to have a vapor density of 2.550 g/L at 100 degrees C and 760 mm Hg. If the empirical formula of this compound is CH, what is the molecular formula of this compound?

  3. Chemistry

    Maleic acid is an organic compound composed of 41.39% C, 3.47% H, and the rest oxygen. If 0.271 mol of maleic acid has a mass of 31.4 g, what are the empirical and molecular formulas of maleic acid? My work: C: 41.39 g x (1

  4. Chemistry (Check)

    True or False The empirical formula of a compound is always the same as the molecular compound. My Answear: True The empirical formula for acetylene is CH. The molecular formula is C2H2. Another example: The empirical formula for

You can view more similar questions or ask a new question.