1. imxprt

    Chemistry percentage composition HARD.

    Hey can anyone help me with this question. A steel company requires 2 tonnes of Fe. the company decided to mine from a site containing goethite. FeO(OH). which contains 31% of the mineral. how much of the goethite needs to be mined to obtain 2 tonnes of Fe.
  2. I

    What is the percentage in Visual Art ATAR

    For Visual art, what is the percentage of the internal marks, the body of work and the HSC external exam for your ATAR for 2019 ?