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71g/mol --- 6,02 * 10²³ czasteczek chloru
x --- 12,04 * 10²³ czateczek chloru
71g * 12,04* 10²³ = 6,02x * 10²³ /: 6,02 * 10²³
x = 142g Cl₂
71g Cl₂ --- 2*6,02 * 10²³
142g Cl₂ --- x
71x = 12,04 * 10²³ * 142
x = 24,08 atomow Cl₂
2.
a) 2g H₂ --- 1 mol H₂
4g H₂ --- x
2x = 4
x = 2 mol H₂
b) 2g H₂ --- 6,02 * 10²³ czasteczek H₂
4g H₂ --- x
2x = 6,02 * 4 * 10²³
x = 12,04 * 10²³
c) 2g H₂ --- 2*6,02*10²³ atomow H₂
4g H₂ --- x
2x = 4 * 12,04* 10²³
x = 24,08 * 10²³
3.
a) 1 mol O₂ --- 6,02 * 10²³ czasteczek O₂
x --- 24,08 * 10²³ czasteczek O₂
6,02x * 10²³ = 24,08 * 10²³
x = 4 mol O₂
b) 6,02 * 10²³ --- 6,02 * 10²³
24,08* 10²³ --- x
6,02x * 10²³ = 6,02 * 10²³ * 24,08* 10²³
x = 24,8 * 10²³ czasteczek O₂
c)2*6,02*10²³ atomow O₂ --- 6,02 * 10²³ czasteczek O₂
x --- 24,08 * 10²³ czasteczek O₂
6,02x*10²³ = 2*6,02 * 10²³ * 24,08 * 10²³
x = 48,16 * 10²³ atomow O₂