A block of aluminium occupies a volume of 15.ml and weighs 40.5 g. What is its density? 2700kg /m3

d = 2.70 g/mL

Explanation: Considering we know that it weights 40.5 brains and the volume of such amount is 15 ml we can calculate such in which it comes to be 2.7 grams per mL

answer; the numbers of valence electrons in the acetic acid molecule (ch3co2h) is 24;