Branch of chemistry that deals with the complete qualitative and quantitative analysis of a substance is___________________?
Correct answer: C. Analytical chemistry
- A. Stoichio chemistry
- B. Physical chemistry
- C. Analytical chemistry
- D. Quantum chemistry
Explanation
Analytical chemistry includes both qualitative analysis, which identifies components, and quantitative analysis, which measures their amounts. “Physical chemistry” is a likely alternative because it is also a major branch of chemistry, but it mainly studies energy, rates, equilibrium and the physical principles of chemical systems.
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About Moles and Avogadro's Number
The mole connects the microscopic number of particles with measurable mass, using Avogadro's number, 6.022 × 10²³ particles per mole. Questions involve molar mass, conversion between mass, moles and particles, percentage composition, empirical and molecular formulas, and distinguishing atoms, molecules, ions and formula units.
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