Chemistry, 19.11.2020 17:20 edgarnino13
Easy question on chromatography
Drawing B shows what the finished chromatogram looked like. Sam has drawn lines on it to help her to see which blobs are level with each other.
2 Three of the inks have only one colour in them.
a Which three are they?
b Explain your answer.
3 a Which inks are mixed to make ink C?
b Which inks are mixed to make ink D?
Answers: 1
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Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass
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Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?
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22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g
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Easy question on chromatography
Drawing B shows what the finished chromatogram looked like. Sam has...
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