- #1

chawki

- 506

- 0

## Homework Statement

Apatite (Ca

_{5}(PO

_{4})

_{3}F) is used to manufacture fertilizer.

## Homework Equations

How many kilograms of pure phosphorus (P) is included in 1150 kg of apatite?

## The Attempt at a Solution

How we solve this, tell me only first step...

we can't even use the composition percentage law :grumpy: