Odpowiedź:
mMg3(PO4)2= 3× 24u+ 2×( 31u+ 4× 16u)= 72u+ 2×( 31u+ 64u) = 72u+ 190u= 262u
mCaCO3= 40u+ 12u+ 3× 16u= 40u+ 12u+ 48u= 100u
mAl2(SO3)3= 2× 27u+ 3× ( 32u+ 3×16u)= 54u+ 3× ( 32u+ 48u)= 54u+ 240u= 294u
mNaNO3= 23u+ 14u+ 3× 16u= 23u+ 14u+ 48u= 85u
mFeCl2= 56u+ 2× 35u= 56u+ 70u= 126u
Wyjaśnienie: