Concept explainers
(a)
Interpretation:
The given equation has to be balanced.
Concept Introduction:
Balanced equation is a representation of a
Steps in balancing the information
- Step 1: Write the unbalanced equation
- Step 2: Find the coefficient to balance the equation.
- The coefficient should be reduced to the smallest whole number
(b)
Interpretation:
Mass of oxygen needed to react with
Concept Introduction:
Molecular weight is the sum of weights of all the atoms in a molecule.
One mole of any substance is the amount whose mass in grams is numerically equal to the substances atomic or weight. One mole contains
Number of moles can be calculated by using the below equation,
Mass can be calculated by using the below equation,
(c)
Interpretation:
Mass of
Concept Introduction:
Molecular weight is the sum of weights of all the atoms in a molecule.
One mole of any substance is the amount whose mass in grams is numerically equal to the substances atomic or weight. One mole contains Avogadro’s number of atoms
Number of moles can be calculated by using the below equation,
Mass can be calculated by using the below equation,
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General Chemistry: Atoms First
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