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Chemie

Kolik gramů krystalové vody obsahuje 12 gramů Glauberovy soli Na2SO4 ·10H2O? Ar(Na) = 23, Ar(S) = 32, Ar(O) = 16

Kolik gramů krystalové vody obsahuje 12 gramů Glauberovy soli Na₂SO₄ ·10H₂O? Ar(Na) = 23, Ar(S) = 32, Ar(O) = 16