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Practise Question - 1 Video Lecture | Crash Course for EmSAT Achieve
FAQs on Practise Question - 1 Video Lecture - Crash Course for EmSAT Achieve
| 1. What is the formula weight of a molecule? |  |
Ans. The formula weight of a molecule is the sum of the atomic weights of all the atoms in its chemical formula. It is also known as the molecular weight or molar mass of the molecule.
| 2. How is the molecular weight calculated? | |
Ans. The molecular weight of a molecule is calculated by adding up the atomic weights of all the atoms present in its chemical formula. The atomic weights can be found on the periodic table of elements.
| 3. What is the significance of knowing the molecular weight of a molecule? | |
Ans. Knowing the molecular weight of a molecule is significant in various aspects of chemistry. It helps in determining the stoichiometry of chemical reactions, calculating the amount of substance in moles, and predicting the physical and chemical properties of substances.
| 4. Can the molecular weight of a molecule be used to identify the substance? | |
Ans. Yes, the molecular weight of a molecule can be used as a characteristic property to identify a substance. By comparing the experimental molecular weight with the known molecular weights of different substances, one can determine the identity of the substance.
| 5. How does the concept of molecular weight relate to the EmSAT Chemistry exam? | |
Ans. The concept of molecular weight is an essential topic in chemistry, and understanding it is crucial for success in the EmSAT Chemistry exam. Questions related to calculating molecular weights, using them in stoichiometry problems, and identifying substances based on their molecular weights are commonly asked in the exam.
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Oct 06, 2025
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