Density= mass/volume so 5.1 divided by 4.7 is 5.1 / 4.7 =1.08510638298round to the correct number of sig figs
Another question on Chemistry
Chemistry, 22.06.2019 07:30
11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg