Zadanie 2
a) mSO3=32u+3*16u=80u
b) mHNO3 =1u+14u+3*16u=63u
c) mCa3(PO4)2=3*40u+2*31u+8*16u=310 u
d) mK2CO3=2*39u+12u+3*16u=138 u
e) mMg(OH)2=24u+2*16u+2*1u=58 u
f) mFe(OH)3=56u+3*16u+3*1u=107 u
g) Al2(SO4)3=2*27u+3*32u+12*16u=342u
h) mNi(NO3)3=59u+3*14u+9*16u=245 u
i) mCH3COOH=2*12u+4*1u+2*16u=60 u
Zadanie 3
mN2=2*14u=28u
a) krzem- Si
b) 2*28u=56u
żelazo- Fe
c) 28u:4=7u
lit- Li
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Zadanie 2
a) mSO3=32u+3*16u=80u
b) mHNO3 =1u+14u+3*16u=63u
c) mCa3(PO4)2=3*40u+2*31u+8*16u=310 u
d) mK2CO3=2*39u+12u+3*16u=138 u
e) mMg(OH)2=24u+2*16u+2*1u=58 u
f) mFe(OH)3=56u+3*16u+3*1u=107 u
g) Al2(SO4)3=2*27u+3*32u+12*16u=342u
h) mNi(NO3)3=59u+3*14u+9*16u=245 u
i) mCH3COOH=2*12u+4*1u+2*16u=60 u
Zadanie 3
mN2=2*14u=28u
a) krzem- Si
b) 2*28u=56u
żelazo- Fe
c) 28u:4=7u
lit- Li