Răspunsuri

2014-06-24T21:24:27+03:00
Md1=14*800/100=112 g
md2=600*20/100=120 g
md final = 112+120=232 g
ms final = 800+600+1200=2600 g solutie
c final = 232/2600 * 100 = 8,92 %
1200 cm cubi apa distilata = 1200 g apa pt ca densitatea apei este 1g/cm cub