chemistry

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

  1. 👍
  2. 👎
  3. 👁
  1. Empirical formula mass = 2*12+1+35.5 = 60.5
    179/60.5 = 2.96 which rounds to 3.0 as a whole number; therefore, the molar mass is (C2HCl)3 = ??
    or it can be written as C6H3Cl3 = ??

    1. 👍
    2. 👎
  2. Yes :)

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Chemistry

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

  2. Chemistry..

    The empirical formula of a compound is CH2. The molecular formula of this compound could be which of the following? a) CH4 b) C2H2 c) C2H4 d) C2H6

  3. 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?

  4. Chemistry re-post URGENT

    Chemical analysis reveals capsaicin to contain 71.0% of carbon, 8.60% hydrogen, 15.8% oxygen and 4.60% nitrogen. a) Determine the empirical formula of capsaicin b) Each molecule contains one atom of nitrogen. What is the molecular

  1. Chemistry

    A compound has an empirical formula of CH2 and molecular mass of 84g. What is it's molecular formula?

  2. chemistry- empirical formulas

    Calculate the empirical formula of a molecule with the following percent compositions: 55.0% gallium (Ga) and 45.0% fluorine (F). mass of 100g #of Moles in 100g of the compound Ga55.0% _____ ______ F45.0% ______ _______ c.

  3. Chemistry

    A solution of 2.50 g of a compound having the empirical formula C6H5P in 25.0 g of benzene(C6H6) is observed to freeze at 4.3 degrees C. Calculate the molar mass of the solute and its molecular formula.

  4. Chemistry

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

  1. Chemistry

    What is the empirical formula of a molecule containing 65.5% carbon, 5.5% hydrogen, and 29.0% oxygen? -I found this to be C3H3O and WebAssign says it's right. I need help with part b. If the molar mass of the above compound is 110

  2. Chemistry

    what is the molecular formula of a compound that is 54.5% C, 9.09% H, and 36.4% O. with a molecular weight of 176g/mol. A)C8H16O4 B)C4H8O2 C)C7H12O5 D)C9H18O3 Assume you have 100 g of the substance, then you have 54.5g of C, etc.

  3. Chemistry

    Analysis of a sample of an organic compound showed it contains 39.9%carbon,6.9%hydrogen and 53.2%oxygen. a)calculate the empirical formula b)if the relative molecular mass is 60,what is the molecular formula of the

  4. Chemistry

    a compound has an empirical formula CH20 and molecular mass of 90 determine it's molecular formula(H=11; C=12; 0=16)

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