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  • CH4
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2014-11-13T10:54:20+02:00
1)c%=md/ms*100 = 50/400 * 100 = 12,5%
ms = md + m apa = 50 + 350 = 400 g
2)ms = md + m apa
c% = md/ms * 100 => 10 = md/(md + 60) * 100
=> 100md = 10 md + 600 => md = 6,666 g
3)c%=md/ms * 100 = 30/260 * 100 = 11,538%
4)c%=md/ms*100=>md = 40*25/100 = 10 g
ms = md + m apa => m apa = 40-10 = 30 g
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