What is the mass of oxygen in dimethylsulfoxide (#C_2H6SO#) rounded to three significant figures?
Well, how many oxygen atoms are there in 1 formula unit of
And what is the mass of 1 oxygen atom? Clearly, it is
Chemists usually deal in molar quantities, where oxygen has an atomic mass of
If your teacher has set this question, he (or she) should be willing to show you some
Of course, sometimes a chemist might dissolve something like potassium cyanide up in