Which of the following will dissolve at the fastest rate?


15g of sugar cubes in 120 g of water at 60 degrees C


15g of sugar cubes in 120 g of water at 20 degrees C


15g of granulated (crushed) sugar in 120 g of water at 50 degrees C


15 g of granulated (crushed) sugar in 120 g of water at 20 degrees C