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Chemie

Kolik gramů dusičnanu sodného je třeba pro přípravu 1500 gramů roztoku s hmotnostním zlomkem w(NaNO3) = 0,15?

Kolik gramů dusičnanu sodného je třeba pro přípravu 1500 gramů roztoku s hmotnostním zlomkem w(NaNO₃) = 0,15?