Calculate the number of moles from the given number of particles. Express your answer to the correct number of significant figur
2 answers:
Answer:
The answer is 2.09 moles
Explanation:
Avogadro's Number or Avogadro's Constant is called the number of particles that make up a substance (usually atoms or molecules) and that can be found in the amount of one mole of said substance. Its value is 6.023 * 10²³ particles per mole. The Avogadro number applies to any substance.
Then you can apply a rule of three as follows: if 6.023*10²³ particles are contained in 1 mole, 1.26*10²⁴ particles in how many moles are they?
moles= 2.09
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Answer:
150
Explanation:
- C₄H₂OH + 6O2 → 4CO2 + 5H₂O
We can <u>find the equivalent number of O₂ molecules for 100 molecules of CO₂</u> using a <em>conversion factor containing the stoichiometric coefficients of the balanced reaction</em>, as follows:
- 100 molecules CO₂ *
= 150 molecules O₂
150 molecules of O₂ would produce 100 molecules of CO₂.