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Chemistry, 21.06.2019 17:30
What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?
Answers: 2
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Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?
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Chemistry, 22.06.2019 19:40
Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory
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Can someone help me with number 1 and 2 plz!
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