Chemistry, 12.12.2020 16:50, saucybby

Fill in the blanks: Repeating an experiment several times and averaging the results helps to reduce _ _

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Chemistry, 22.06.2019 14:10, roserose3098

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Chemistry, 22.06.2019 17:00, abbygailgo674

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process

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Chemistry, 22.06.2019 19:00, HaydenSturgis1

Which is the solubility product expression for caf2(s)? [ca2+]/[f–]2 [ca2+][f2–] [ca]+[f]2 [ca2+][f–]2

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Chemistry, 22.06.2019 19:20, johnkings140

For a research project, a student decided to test the effect of the lead(ii) ion (pb2+) on the ability of salmon eggs to hatch. this ion was obtainable from the water‐soluble salt, lead(ii) nitrate, which the student decided to make by the following reaction. pbo(s) + 2 hno3(aq) → pb(no3)2(aq) + h2o losses of product for various reasons were expected, and a yield of 86.0% was expected. in order to have 5.00 g of product at this yield, how many grams of pbo should be reacted? (assume that sufficient nitric acid, hno3, would be used.)

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Fill in the blanks: Repeating an experiment several times and averaging the results helps to reduce...