Oblicz zawartość procentową siarki w siarczanie(VI) sodu POTRZEBNE TERAZ!!!!!!!!!!!!!!!!!
Oblicz zawartość procentową siarki w siarczanie(VI) sodu POTRZEBNE TERAZ!!!!!!!!!!!!!!!!!
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Na₂SO₄
m 2Na = 46u
m S = 32u
m 4O = 64u
m Na₂SO₄ = 142u
%Na = 46u/142u x 100% = 32%
% S = 32u/142u x 100% = 23%
% O = 64u/142u x 100% = 45%
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Pozdrawiam :)