PODANE SUBSTANCJE PODZIELIC NA GRUPY O JEDNAKOWYCH MASACH MOLOWYCH CO, CuO, H3po4, C12H22O11, SO3, N2 , AL2(so4)3
oblicz mase 12,04razy 10^23czast H2SO4
3,01RAZY 10^23ATOMOW Na
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28u....CO, N2
80u....CuO, SO3
98u...H3PO4
342u..C12H22O11, AL2(SO4)3
mH2SO4=98u
98g H2SO4--------6,02*10^23 cząst.
xg H2SO4----------12,04*10^23 cząst.
x = 196g H2SO4
mNa=23u
23g Na--------6,02*10^23 at.
xg Na----------3,01*10^23 at.
x = 11,5g Na