- #1

mutineer123

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## Homework Statement

A garden fertiliser is said to have a phosphorus content of 30.0% ‘P

2

O5

soluble in water’.

What is the percentage by mass of phosphorus in the fertiliser?

A 6.55% B 13.1 % C 26.2% D 30.0%

## Homework Equations

## The Attempt at a Solution

I got the percentage by mass of P in P2O5, which was 68/148 X 100 which was 45.9%