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A water chemist obtained a

A water chemist obtained a 250 ml sample from a nearby lake and fixed the oxygen on-site with alkaline solutions of MnSO4 and
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2. asked by Dalal
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What are the starting materials that chemists use to produce most plastics and many other synthetic compounds?A. chemicals
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a chemist is asked to identify 2 solutions whose labels have peeled off. One is known to contain 1.0 mol of NaCl, the other is 1
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2. asked by Kim
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A chemist makes a “stock” solution of KOH by dissolving 1050.0 grams in enough water to make 1.50 liters of solution. If
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2. asked by Jim
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A chemist prepares a solution of zinc nitrate (Za(NO.), by measuring out 3.8x 102 umol of zinc nitrate into a 350. ml volumetric
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A chemist ran the reaction and obtained 5.70 of ethyl butyrate. What was the percent yield?How do I solve this problem?
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2. asked by Nancy
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A chemist makes 460 mL of magnesium fluoride (MgF2) working solution by adding distilled water to 20.0 mL of a 18.8 umol/L stock
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2. asked by Nadia
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A chemist makes 0.940 L of mercury(Il) iodide (HgI_2) working solution by adding distilled water to 0.260 L of a 0.0000155 mol/L
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Nitric acid can be prepared by bubbling dinitrogen pentoxide into water.N2O5(g) + H2O -> 2H+(aq) + 2NO3-(aq) a) How many moles
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2. asked by Dave
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1. A chemist prepares a solution by dissolving4.603 g of NaNO3 in enough water to make 200 mL of solution. What molar
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2. asked by Bob Ewell
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