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0.90g of an organic acid on combustion give 0.88g of CO2 and 0.18g of H2O if the vapor density of acid use was 45 calculate the molecular mass
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Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?
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Use examples from the article to explain one positive and one negative effect that chemistry has had on society.
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What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots
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Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)
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0.90g of an organic acid on combustion give 0.88g of CO2 and 0.18g of H2O if the vapor density of ac...
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