Work out the liming mass

Exercise and reference answers

Questions

1. Hint

   40 plus 16

   Answer

   56

   Question

   Relative formula mass of CaO?

2. Hint

   40 plus 12 plus 48

   Answer

   100

   Question

   Relative formula mass of CaCO3?

3. Hint

   moles of CaO times 100

   Unit

   g

   Answer

   179

   Question

   CaCO3 mass, in grams, matching 100 g of CaO? Round to a whole number.

Instructions

Use relative formula masses and key in the answer.