calculate the number of particles a)48 g of mg b)8g of 02(oxygen) c)0.1 mole of carbon
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a) the no of atoms=(given mass/molar mass)* avogadro number
⇒N= (m/M)*N₀
⇒N=(48/24)*6.022*10²³
⇒N= 12.044*10²³
b) the number of moles= (given mass/molar mass)*avogadro number
⇒N=(m/M)*N₀
=(8/32)*6.022*10²³
=1.5055*10²³
1.51*10²³
c) The no. of particles (atom) = no. of moles of particles x Avogadro no.
= 0.1 x 6.022 x 10²³
= 6.022 x 10²³
⇒N= (m/M)*N₀
⇒N=(48/24)*6.022*10²³
⇒N= 12.044*10²³
b) the number of moles= (given mass/molar mass)*avogadro number
⇒N=(m/M)*N₀
=(8/32)*6.022*10²³
=1.5055*10²³
1.51*10²³
c) The no. of particles (atom) = no. of moles of particles x Avogadro no.
= 0.1 x 6.022 x 10²³
= 6.022 x 10²³
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Answer:
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Explanation:
a) No. of moles in Mg = given mass/molar mass
=48/24 = 2
No. of particles = no. of mole of particles × avogadro no.
= 2 × 6.022 × 10 power23
= 12.04 × 10 power 23 Ans
b) No. of moles in Oxygen = given mass/molar mass
= 8 / 32 = 0.25
No. of particles = no. of mole of particles×avogadro no.
= 0.25 × 6.022×10power23
= 1.5055× 10 power 23
c) N=n×N =0.1 × 6.022 ×10 power 23
6.022 ×10 power 22....
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