Zadanie 1
a) mO2=2*16u=32u
b) mPbO=207u+16u=223u
c) mAl(OH)3=27u+3*16u+3*1u=78u
d) mSn(CO3)2=119u+2*12u+6*16u=239u
Zadanie 2
mN2O3=2*14u+3*16u=76 u
Zadanie 3
mX2O=94u
2X+16u=94u
2X=78u/:2
X=39 u
Jest to potas (K)
mX2(SO4)3=342u
2X+3*32u+12*16u=342u
2X=54/:2
X=27 u
Jest to glin (Al)
Zadanie 4
mMgOx=40u
24u+16x=40u
16x=16/:16
x=1
mNaxPO4=164u
23x+31u+4*16u=164u
23x=69/:23
x=3
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Zadanie 1
a) mO2=2*16u=32u
b) mPbO=207u+16u=223u
c) mAl(OH)3=27u+3*16u+3*1u=78u
d) mSn(CO3)2=119u+2*12u+6*16u=239u
Zadanie 2
mN2O3=2*14u+3*16u=76 u
Zadanie 3
mX2O=94u
2X+16u=94u
2X=78u/:2
X=39 u
Jest to potas (K)
mX2(SO4)3=342u
2X+3*32u+12*16u=342u
2X=54/:2
X=27 u
Jest to glin (Al)
Zadanie 4
mMgOx=40u
24u+16x=40u
16x=16/:16
x=1
mNaxPO4=164u
23x+31u+4*16u=164u
23x=69/:23
x=3