When you buy isopropanol, commonly known as rubbing alcohol, it is a dilution. What volume of isopropanol is in 250 mL of a 70% solution?

What term describes technology that operates on an atomic level

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume

Who discovered a pattern to the elements in 1869?