September 2018 1 15 Report

1.oblicz ile wody nalezy dodac do 100g 10% roztworuaby otrzymac roztworu 5%.

2.ile substancji nalezy dodac do 200g roztworu 10% aby otrzymac roztwor 30%

3.Oblicz mase NaOH jaka znajduje sie w 500 dm3 2 molowym roztworze


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