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Questions and Answers
Why is it more convenient to employ mass units expressing weight relationships for chemical calculations?
Why is it more convenient to employ mass units expressing weight relationships for chemical calculations?
- To adhere to international standards
- To simplify the process of chemical calculations
- To accommodate larger numerical values
- To express stoichiometry among reacting species in terms of small whole numbers (correct)
What units are typically used to express the mass of a substance in the laboratory?
What units are typically used to express the mass of a substance in the laboratory?
- Pound, ounce, ton, and stone
- Kilogram, microgram, nanogram, and picogram (correct)
- Gram, milligram, kilogram, and tonne
- Milligram, centigram, decigram, and decagram
What are the gram formula weight, gram molecular weight, and gram equivalent weight used for in analytical work?
What are the gram formula weight, gram molecular weight, and gram equivalent weight used for in analytical work?
- Measuring volume in chemical reactions
- Calculating the energy released in reactions
- Expressing weight relationships among reacting species (correct)
- Determining the color of chemical compounds
Which units are more commonly used for chemical calculations?
Which units are more commonly used for chemical calculations?
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What is the purpose of using mass units expressing weight relationships for chemical calculations?
What is the purpose of using mass units expressing weight relationships for chemical calculations?
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