Răspunsuri

2014-05-05T20:44:58+03:00
98 g H2SO4.......6,022 * 10 la 23 molecule
196 g H2SO4...........x molecule       x = 12.044 * 10 la 23 molecule
Stii ca intr-un mol de substanta se afla 6.022 * 10 la 23 molecule si afli cat se afla in 196 g H2SO4 care reprezinta doi moli.
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