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Dobry vecer, neviem si s tym rady. prosim o pomoc.
Vypočítajte aký objem H2O v cm3
treba na rekryštalizáciu 10 g CuSO4
.
5 H2O, aby
vznikol roztok nasýtený pri 50 °C. Koľko CuSO4
.
5 H2O vykryštalizuje ochladením
na 20 °C?
s (CuSO4
.
5 H2O pri 20 °C) = 17 g/100 g roztoku
s (CuSO4
.
5 H2O pri 50 °C) = 25,5 g/100 g roztoku
M (CuSO4) = 159,61g/mol
M (CuSO4
.
5 H2O) = 249,687g/mol
2. Vypočítajte praktický výťažok modrej skalice v %.
Dobrý deň, potrebovala by som preložiť tento kúsok text do slovenčiny. Chcem ho využiť v bakalárskej práce ale chcem si byť istá že text je preložený správne preto sa radšej spýtam tady. Ďakujem.
Dobry den, Prosim, ako by sa tieto dve ulohy mali zapisat do pythonu, tak ze vyuzivame import tkinter
doučma.sk
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