The volume of a quartz mineral sample was determined placing the weighed sample in a graduated cylinder containing 56.3 mL water
. With the mineral sample completely submerged, the water level was 68.2 mL. THis measuring method, known as water displacement, uses the volume of an irregular object. The dry mass of the quartz sample was 31.18 g. What was the density of the quartz in g/cm^3?
To find the actual volume you need to subtract 68.2 and 56.3 which would be 11.9 ml. density is mass divided by volume so 31.18 g/11.9 is equal to 2.62 g
Benedict's solution is used to test simple sugars, such as glucose. It is blue solution, when sugar is present, it turns to orange / brick red. Depends on the concentration of sugar.
