Question

*COROANA*!! Ce cantitate de solutie de concentratie 1,2% se poate obtine prin dizolvarea a 12g sare de lamaie. URGENT VA ROGG!!!!!!!

Answer 1

c=1,2%
md=12g
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ms=?
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$ms=\frac{md*100}{c}$

$ms=\frac{12*100}{1,2} = \frac{1200}{1,2} =1000$

ms=1000g