Concept explainers
(a)
Interpretation:
To determine number of moles of H-atom in 34.0 g of C3H8.
Concept Introduction:
Molar mass is sum of
Let’s say we have a molecule A2B3. Then,
1 mole of A2B3 contains 2 mole of A and 3 moles of B
(b)
Interpretation:
To determine the mass of C-atom in 1.50 mole of propane.
Concept Introduction:
Molar mass is sum of atomic masses of every atom in a molecule.
Let’s say we have a molecule A2B3. Then,
1 mole of A2B3 contains 2 mole of A and 3 moles of B
(c)
Interpretation:
To determine the mass of C-atom in 34.0 g of C3H8. Concept Introduction:
Molar mass is sum of atomic masses of every atom in a molecule.
Let’s say we have a molecule A2B3. Then,
1 mole of A2B3 contains 2 mole of A and 3 moles of B
(d)
Interpretation:
To calculate the mass of H-atom in 0.254 g of C3H6 Concept Introduction:
Molar mass is sum of atomic masses of every atom in a molecule.
Let’s say we have a molecule A2B3. Then,
1 mole of A2B3 contains 2 mole of A and 3 moles of B
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