ile gramow 96% i 75% toztworu H2SO4 nalezy uzyc do spoarzadzenia 150g 80% roztw H2SO4
96% 5
80%
75% 16
21/150=5/x
x=35,7g (96%)
150-35,7=114,3g (75%)
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M
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96% 5
80%
75% 16
21/150=5/x
x=35,7g (96%)
150-35,7=114,3g (75%)
licze na naj
M