Oblicz masę azotu zawartego w 10 molach Ca(No3)2 .
2 Sposobami jeden z proporcji a drugi ze wzoru - Wzór : n=m/M
1mol Ca(NO3)2 = 2*14g azotu
10moli = 280g azotu
n = m/M
m = n*M
m = 10 * 28 = 280g azotu
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1mol Ca(NO3)2 = 2*14g azotu
10moli = 280g azotu
n = m/M
m = n*M
m = 10 * 28 = 280g azotu