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  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. imxprt

    Is it possible to get a high ATAR of 99.95 with standard English?

    I was wondering can you get a 99.95 ATAR with standard English? If you have 4U maths to carry it to the atar?