Ile atomów azotu zawarte jest w 4 molach tlenku azotu (V) ?
N2O5- 2 at.
2*4=8 at.
wzór tlenku azotu V : N2O51 mol N2O5 --- 2 atom N4 mole N2O5 --- xx= 8 at N
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N2O5- 2 at.
2*4=8 at.
wzór tlenku azotu V : N2O5
1 mol N2O5 --- 2 atom N
4 mole N2O5 --- x
x= 8 at N