Answer:
a) 26.79 * 10^23 particles
b) 1.51 * 10^23 particles
c) 13.5 * 10^23 particles
d) 57.6 * 10^23 particles
Explanation:
a) 1 mole of a substance contains 6.02 * 10^23 particles
4.45 mol of C6H1206 contains 4.45 * 6.02 * 10^23 particles = 26.79 * 10^23 particles
b) 1 mole of a substance contains 6.02 * 10^23 particles
0.250 mol of KNO3 contains 0.250 * 6.02 * 10^23 particles = 1.51 * 10^23 particles
c) 1 mole of a substance contains 6.02 * 10^23 particles
2.24 mol of H2 contains 2.24 * 6.02 * 10^23 particles = 13.5 * 10^23 particles
d) 1 mole of a substance contains 6.02 * 10^23 particles
9.56 mol of Zn contains 9.56 * 6.02 * 10^23 particles= 57.6 * 10^23 particles
A. The number of particles in 4.45 moles of C₆H₁₂O₆ is 2.68×10²⁴ particles.
B. The number of particles in 0.250 mole of KNO₃ is 1.51×10²³ particles.
C. The number of particles in 2.24 moles of H₂ is 1.35×10²⁴ particles.
D. The number of particles in 9.56 moles of Zn is 5.76×10²⁴ particles.
From Avogadro's hypothesis, we understood that:
1 mole of any substance = 6.02×10²³ particles
With the above information in mind, we can obtain the answers to the questions as follow:
A. Determination of the number of particles in 4.45 moles of C₆H₁₂O₆.
1 mole of C₆H₁₂O₆ = 6.02×10²³ particles
Therefore,
4.45 moles of C₆H₁₂O₆ = 4.45 × 6.02×10²³
4.45 moles of C₆H₁₂O₆ = 2.68×10²⁴ particles
B. Determination of the number of particles in 0.250 mole of KNO₃
1 mole of KNO₃ = 6.02×10²³ particles
Therefore,
0.250 mole of KNO₃ = 0.250 × 6.02×10²³
0.250 mole of KNO₃ = 1.51×10²³ particles
C. Determination of the number of particles in 2.24 moles of H₂
1 mole of H₂ = 6.02×10²³ particles
Therefore,
2.24 moles of H₂ = 2.24 × 6.02×10²³
2.24 moles of H₂ = 1.35×10²⁴ particles
D. Determination of the number of particles in 9.56 moles of Zn
1 mole of Zn = 6.02×10²³ particles
Therefore,
9.56 moles of Zn = 9.56 × 6.02×10²³
9.56 moles of Zn = 5.76×10²⁴ particles
Learn more about Avogadro's number:
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