Concept explainers
(a)
Interpretation:
Balance the following equation of
Concept introduction:
The equation in which the number of atoms for each element present in
Steps to balance the chemical equation:
- 1.Identify reactants and products.
2. Write chemical formula.
3.Count number of atoms in reactant side and product side.
4. If number of atoms is not same then try to balance by changing the coefficient of molecules on either one side or both side of the equation.
(b)
Interpretation:
The mass mercury and oxygen in grams formed by
Concept introduction:
The number of moles can be calculated from mass and molar mass as follows:
Here, m is mass and M is molar mass.
(c)
Interpretation:
The mass of
Concept introduction:
The number of moles can be calculated from mass and molar mass as follows:
Here, m is mass and M is molar mass.
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CHEMISTRY-W/MASTERING CHEMISTRY ACCESS
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