Question

va rog ajutati ma!Intrebarea are 50puncte....Ajutorr
doar soluția S4 si S5​

Answer 1

S4

md = 90g, c% = 30%

=> ms = mdx100/c% = 90x100/30 = 300 g

=> m.apa = ms-md = 300 - 90 = 210 g

S5

md = 30g, m.apa = 270g

=> ms = md+m.apa = 30+270 = 300g

=> c% = mdx100/ms = 30x100/300 = 10%

Answer 2

Răspuns:

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