Oblicz masy cząsteczkowe:
a) SO2
b) HNO3
c) Ba(OH)2
d) Pb3(PO4)2
e) C2H5OH
PROSZĘ O POMOC
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Oblicz masy cząsteczkowe:
a) SO2
b) HNO3
c) Ba(OH)2
d) Pb3(PO4)2
e) C2H5OH
PROSZĘ O POMOC
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msO2 = 32u + 16 * 2 = 64 u .
mHNO3 = 1 + 14 + (16*2) = 32 + 15 = 47 u.
mBaOH2 = 137 + 16 + (1 * 2 ) = 153 + 2 = 155 u.
mPb3PO4 2 = 207 * 3 + 30 + 16*4*2 = 128 + 621 + 30 = 779 u.
C2H5OH = 12*2 + 1*5 + 16 + 1 = 24 + 5 +17 = 46 u .