aspirin is a compound that contain carbon, hydrogen and oxygen. It is uesd as painkiller. An aspirin tablet contain 1.25×10³⁰ molecule. How many moles of this compound are present in the tablet

Use formula n= number of particles / avogrado constant

n= number of mole
avogrado constant= 6.12x10^-23

you will get 2.042 x 10^52

Talc (french chalk) is the ingredient

All the elements are arranged by melting points on the periodic table. in row they go from metals to gasses. in the row from sodium to argon, sodium is more reactive than the one on its right, magnesium.