How many grams of waster are produced in burning 2.24dm of hydrogen at STP?
Correct answer: C. 1.8g
- A. 180g
- B. 81g
- C. 1.8g
- D. 0.18g
Explanation
The solution for this question is given below:
This question appeared on the ETEA MDCAT 2011 paper, which you can sit online with every answer explained.
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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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