Chemistry, 10.07.2019 12:30 JaneciaMoss4490
In an experiment, a compound was determined to contain 68.94% oxygen and 31.06% of an unknown element by weight. the molecular weight of the compound is 69.7 g/mol. what is this compound? \
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Which phrase best describes the rock's texture? 1.jagged grains 2.coarse grains 3.rounded grains 4.non-banded grains
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Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
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In an experiment, a compound was determined to contain 68.94% oxygen and 31.06% of an unknown elemen...
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