Question

There are 37.0400 grams of HClO in each mole of HClO. How many moles of HClO are there in 1.50 grams of HClO?

Answer 1

It may help if you write what you know like this;

37.0400 g/mol

And your question like this:

1.50 g = ? mol

Be careful of your significant digits, by the way. I sense they're going to be graded here.