April 2019 0 29 Report
Do otrzymania 500g 10-procentowego roztworu soli kuchennej potrzeba

a) 450 g soli i 50 g wody
b) 50 g soli i 450 g wody
c) 50 g soli i 500 g wody
d)10 g soli i 490 g wody

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