dallasdenby1 dallasdenby1 29-01-2021 Mathematics contestada 1.) An unknown substance has a mass of 150g and displaces 20.50mL of water -Calculate the density -Identify the substance 2.) An unknown substance has the dimensions of 20cm x 75 cm x .5 cm and a mass of 59,250 g. -Caculate the density -Identify the substance 3.) An unknown has a volume of 100mL and has mass of 80g. -Caculate the density -Identify the substance