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Radustefand1
a fost răspuns

calculati concentratia unei solutii obtinute prin dizolvarea a 50 g zahar in 450g apa

Răspuns :

[tex]C\%=\frac{m_{d}}{m_{s}}\times100[/tex]

[tex]C\%=\frac{50 \: g}{450 \: g}\times100[/tex]

[tex]C\%=\frac{1}{9}\times100[/tex]

[tex]C\%=\frac{100}{9}[/tex]

[tex]C \% =11,(1)=11,11 \: \%[/tex]

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