50g cukru w 150 g wody mr=50g+150g = 200g 50/200*100% = 1/4*100% = 100/4 % = 25% 150g cukru w 100g wody mr = 150g+100g = 250g 150/250 * 100% = 3/5*100%=300/5% = 60% 10 mg soli w 8 g wody 8g = 8000mg mr = 8000mg+10mg = 8010mg 10/8010*100%=100/801% ≈ 0,12%
1) 50g cukru w 150 g wody ms - 50 g mw - 150 g mr = 50+150=200 [latex]Cp= frac{ms}{mr} *100\%= frac{50}{200} *100\%= 25\%[/latex] 2) 150 g cukru w 100g wody ms - 150 g mw - 100 g mr - 100+150=250 g [latex]Cp= frac{ms}{mr} *100\%= frac{150}{250} *100\%= 60\%[/latex] 3) 10 mg soli w 8 g wody 10 mg = 0,01 g ms - 0,01 g mw - 8g mr - 8+0,01=8,01 g [latex]Cp= frac{ms}{mr} *100\%= frac{0,01}{8,01} *100\% approx 0,124843945\% approx 0,12\%[/latex]
