a) wodorotlenek baru.....mBa(OH)2 = 137u+(16u+1u)*2 = 171u
b) tlenek glinu.............mAl2O3 = 2*27u+3*16u = 102u
c) tlenek azotu (I)..........mN2O = 2*14u+16u = 44u
d) fluorek potasu...........mKF = 39u+19u = 58u
e) wodorotlenek żelaza (III)..Fe(OH)3 = 56u + (16u+1u)*3 = 107u
2.
tlenek węgla 4
mCO2=12u+32u = 44u
mC : mO = 12 : 32
mC : mO = 3 : 8
siarczek zelaza 3
mFe2S3=112u+96u=208u
mFe : mS = 112 : 96
mFe : mS = 7 : 6
glukoza
mC6H12O6=72u+12u+96u=180u
mC : mH : mO = 72 : 12 : 96
mC : mH : mO = 6 : 1 : 8
azotan potasu
mKNO3=39u+14u+48u=101u
mK : mN : mO = 39 : 14 : 48
zad.1
a) mBa(OH)2=137u+2*16u+2*1u=171u
b) mAl2O3=2*27u+3*16u=102u
c) mN2O=2*14u+16u=44u
d) mKF=39u+19u=58u
e) mFe(OH)3=56u+3*16u+3*1=107u
zad.2
tlenek węgla(IV): CO2
C:O=12:32=3:8
siarczek żelaza(III): Fe2S3
Fe:S=112:96=7:6
glukoza: C6H12O6
C:H:O=72:12:96=6:1:8
azotan(V) potasu: KNO3
K:N:O=39:14:48
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a) wodorotlenek baru.....mBa(OH)2 = 137u+(16u+1u)*2 = 171u
b) tlenek glinu.............mAl2O3 = 2*27u+3*16u = 102u
c) tlenek azotu (I)..........mN2O = 2*14u+16u = 44u
d) fluorek potasu...........mKF = 39u+19u = 58u
e) wodorotlenek żelaza (III)..Fe(OH)3 = 56u + (16u+1u)*3 = 107u
2.
tlenek węgla 4
mCO2=12u+32u = 44u
mC : mO = 12 : 32
mC : mO = 3 : 8
siarczek zelaza 3
mFe2S3=112u+96u=208u
mFe : mS = 112 : 96
mFe : mS = 7 : 6
glukoza
mC6H12O6=72u+12u+96u=180u
mC : mH : mO = 72 : 12 : 96
mC : mH : mO = 6 : 1 : 8
azotan potasu
mKNO3=39u+14u+48u=101u
mK : mN : mO = 39 : 14 : 48
zad.1
a) mBa(OH)2=137u+2*16u+2*1u=171u
b) mAl2O3=2*27u+3*16u=102u
c) mN2O=2*14u+16u=44u
d) mKF=39u+19u=58u
e) mFe(OH)3=56u+3*16u+3*1=107u
zad.2
tlenek węgla(IV): CO2
C:O=12:32=3:8
siarczek żelaza(III): Fe2S3
Fe:S=112:96=7:6
glukoza: C6H12O6
C:H:O=72:12:96=6:1:8
azotan(V) potasu: KNO3
K:N:O=39:14:48