so I was doing this question and I have some questions about what I did. Firstly am I correct to say that the concordant results = 24.1 cm^3 because there are 2 of these values. From this I then calculate that M = 32.9 however this can not be true, so what have I done wrong? [![enter image description here](https://i.stack.imgur.com/1izKa.png)](https://i.stack.imgur.com/1izKa.png)

[![enter image description here](https://i.stack.imgur.com/B3IEU.png)](https://i.stack.imgur.com/B3IEU.png)