4. Calculations. (Detail your calculation) (3*10') 1. Propane, CH, is a common fuel used for cooking and home heating. W
Posted: Tue Nov 16, 2021 6:27 am
4. Calculations. (Detail your calculation) (3*10') 1. Propane, CH, is a common fuel used for cooking and home heating. What mass of Osis consumed in the combustion of 10g of propane? 2. A student wants to find the density of unknown liquid A. He has done the following experiments: (1) Mass of the beaker: 50.00 4. (2) Mass of beaker and 10.00 ml known liquid A 60.78g. What is the density of unknown liquid A? 3. (a) Calculate the density of a 374.5 gram sample of copper if it has a volume of 418cm. (b) A student needs 15.0 g of ethanol for an experiment. If the density of the ethanol is 0.789 g/ml. how many milliliters of ethanol are needed? (c) What is the mass, in grans, of 25.0 mL of mercury (density - 13.6 g/mL./?