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w 22,4 dm 3 jest 6,02 x 10 do 23 cząsteczek
w, 2,24dm3 jest 0,602 x 10 do 23
2.
26g C2H2 - 6,02 x 10 do 23
X - 12,04 x 10 do 23
X=52g C2H2
22,4dm3 - 6,02 x 10 do 23
X - 12,04 x 10 do 23
X-44,8dm3
22,4 dm³ --- 6,02 * 10²³
2,24 dm³ --- x
22,4x = 6,02*10²³*2,24
x = 0,602 * 10²³ cząsteczek tlenu
2.
mC₂H₂ = 2*12 + 2*1 = 26 g/mol
26g --- 6,02 * 10²³
x --- 12,04 * 10²³
6,02 * 10²³*x = 12,04 * 10²³ * 26
x = 52g
22,4dm³ -- 26g
x --- 52g
26x = 22,4 * 52
x = 44,8 dm³