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mFe(OH)3 = 56u + 3 * 16u + 3 * 1u = 107u
mH3PO4 = 3 * 1u + 31u + 4 * 16u = 98u
m(NH4)3PO4 = 3 * 14u + 12 * 1u +31u + 4 * 16u = 149u
mZn(NO3)2 = 65u + 2 * 14u + 6 * 16u = 189u
mFe2O3 = 2 * 56u + 3 * 16u = 160
mCaCO3 = 40u + 12u + 3 * 16u = 100u
mCaO = 40u + 16u = 56u
mCO2 = 12u + 2 * 16u = 44u
mCaSO4 = 40u + 32u + 4 * 16u = 136u
Obliczanie procentowego składu zrobię po swojemu :-)
mH2SO4 = 2 * 1u + 32u + 4 * 16u = 98u
%H = 2u / 98u * 100% = 2,04%
%S = 32u / 98u * 100% = 32,65%
%O = 65,31%
Ja wybiorę sobie dodatkowo: H2CO3, NaNO3, KOH
mH2CO3 = 2 * 1u + 12u + 3 * 16u = 62u
%H = 2u / 62u * 100% = 3,23%
%C = 12u / 62u * 100% = 19,35%
%O = 48u / 62u * 100% = 77,42%
mNaNO3 = 23u + 14u + 3 * 16u = 85u
%Na = 23u / 85u * 100% = 27,06%
%N = 14u / 85u * 100% = 16,47%
%O = 48u / 85u * 100% = 56,47%
mKOH = 39u + 16u + 1u = 56u
%K = 39u / 56u * 100% = 69,64%
%O = 16u / 56u * 100% = 28,57%
%H = 1u / 56u * 100% = 1,79%