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Determine the molaarity of an antifreeze soliution sontaining 250 g water mixed with 222 g of ethylene glylene glycol (HOCH_(2)CH_(2)OH). The dnesity of solution is 1.07 g/mL. |
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Answer» Mass of water = 250 g Mass of solution = (222+250)=472 g Density of solution = 1.07 g `mL^(-1)` `"Volume of solution (M) "=("Mass os ethylene glycol/molar mass")/("Volume os solution in litres")` `=((222g))/((62" g MOL"^(-1))XX(0.4412L))` =8.12 mol `L^(-1)`=8.12 M |
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