Astudent has a sample of isopropanol (c3h7oh) that has a mass of 78.6 g. the molar mass of isopropanol is 60.1 g/mol. how many moles of isopropanol are contained in this sample?

3 hours because it is a decent distance.

radioactive decay occurs in unstable atomic nuclei – that is, ones that don't have enough binding energy to hold

the nucleus together due to an excess of either protons or neutrons.