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Concentratia la 100 g apa si 10 g zahar

Răspuns :

[tex]m_d =10 g \\ m_s = m_{apa}+m_d = 100+10 = 110 g \\ c = \frac{m_d }{m_s} \cdot 100 = \frac{10}{110} \cdot 100 = \frac{100}{11} = 9, 09[/tex]