September 2018 2 15 Report

Prosze pomozcie !
1. Oblicz mase 2 dm3 o gestosci roztworow 1,15 g/cm3.

2. Ile gramow substancji znajduje sie w 0,5 dm3 roztworu o gestosci 1,5 g/cm3.

3. Oblicz jaka gestosc ma kostka o masie 38,46 g zajmujaca objetosc 4cm3.(Obliczenia podaj w g,dm,kg).


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