Ile procent soli znajduje się w roztworze otrzymanym przez rozpuszczenie 46 g soli w 754 g wody?
46g+754g = 800g 800g - 100% 46 g - x x= (46*100)/800 =4600/800 = 5,75%
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46g+754g = 800g
800g - 100%
46 g - x
x= (46*100)/800 =4600/800 = 5,75%