Question

In two moles of acetaldehyde

(CH3

CHO) calculate the following

a. Number of moles of carbon

b. Number of moles of hydrogen

c. Number of moles of oxygen

d. Number of molecules of acetaldehyde

(Ans. : A. 4 mol, B. 8 mol, C. 2 mol,

D. 12.044 x 1023 molecules )​

Answer 1

Answer:

2 moles of acetaldehyde ( Given)

(CH3 CHO)

a) Number of mole of Carbon= 2 × 2

= 4 mole

b) Number of mole of Hydrogen = 2 × 4

= 8 mole

c) Number of mole of Oxygen = 2 × 1

= 2 mole

d) Number of molecule of acetaldehyde

1 mole = 6.022× 10^23 molecule

2 mole = 2 × 6.022× 10^23 molecule

= 12.044 × 10 ^ 23 molecule

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