What is the number of mols of hydrogen atoms in 3.2g of methane

What is the number of mols of hydrogen atoms in 3.2g of methane

Options

(a) 0.2
(b) 0.4
(c) 0.8
(d) 2

Correct Answer:

0.8

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

View Comments (2)

  • No. Of moles= mass/ molar mass

    Molar mass of CH4 = 12+4(1)=16

    No of moles in CH4 = 3.2/ 16
    = 0.2mol
    So,
    No.of moles of H = 0.2 (4)
    = 0.8 mol

Related Questions

  1. The gas molecules have r.m.s. velocity of its molecules as 1000 m/s
  2. What is the pH of 0.01 M glycine solution? For glycine, Ka₁ = 4.5 ˣ 10⁻³
  3. Oxidation of acetaldehyde with selenium dioxide produces
  4. The compressibility factor of an ideal gas is
  5. The reaction of which of the following compounds would yield secondary amine