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21 January, 16:11

What are the empirical formula and empirical formula mass for C10H30O10?

Empirical formula:

Empirical formula mass:

es

g/mol

+1
Answers (1)
  1. 21 January, 16:12
    0
    Empirical formula: CH₃O

    Empirical formula mass = 31 g/mol

    Explanation:

    Data Given:

    Molecular Formula = C₁₀H₃₀O₁₀

    Empirical Formula = ?

    Empirical Formula mass =

    Solution

    Empirical Formula:

    Empirical formula is the simplest ration of atoms in the molecule but not all numbers of atoms in a compound.

    So,

    The ratio of the molecular formula should be divided by whole number to get the simplest ratio of molecule

    As

    C₁₀H₃₀O₁₀ Consist of 10 Carbon (C) atoms, 30 Hydrogen (H) atoms, and 10 Oxygen (O) atoms.

    Now

    Look at the ratio of these three atoms in the compound

    C : H : O

    10 : 30 : 10

    Divide the ratio by two to get simplest ratio

    C : H : O

    10/10 : 30/10 : 10/10

    1 : 3 : 1

    So for the empirical formula the simplest ratio of carbon to hydrogen to oxygen is 1:3:1

    So the empirical formula will be

    Empirical formula of C₁₀H₃₀O₁₀ = CH₃O

    Now

    To find the empirical formula mass in g/mol

    Formula mass:

    Formula mass is the total sum of the atomic masses of all the atoms present in a formula unit.

    **Note:

    if we represent the molar mass of the empirical formula for one mol in grams then it is written as g/mol

    So,

    As the empirical formula of C₁₀H₃₀O₁₀ is CH₃O

    Then Its empirical formula mass will be

    CH₃O

    Atomic Mass of C = 12

    Atomic Mass of H = 3

    Atomic Mass of O = 16

    Total Molar mass of CH₃O

    CH₃O = 12 + 3 (1) + 16

    CH₃O = 12 + 3 + 16

    CH₃O = 31 g/mol
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