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What are the steps to recrystallize an impure solid? Answer 1. Heating the water. 2. Dissolving the solute.3. Letting the solute cool.4. Collecting and washing the crystals. 5. Re-dissoving the crystals6. Scratching the side of the flask with a glass rod.7. Collecting the crystals. 1. Heating the water. 2. Dissolving the solute.3.Scratching the sides of the flask with a glass rod.4. Collecting and washing the crystals. 5. Drying the crystals. 1. Choosing the solvent. 2. Dissolving the solute.3. Decolorizing the solution. 4. Filtering suspended solids.5. Crystallizing the solute. 6. Collecting and washing the crystals. 7. Drying the crystals. 1. Heating the water. 2. Dissolving the solute.3. Decolorizing the solution. 4. Filtering suspended solids.5. Crystallizing the solute. 6. Collecting and washing the crystals. 7. Drying the crystals. 1. Heating the solvent.2. Melting the compound. 3. Cooling the compound.4. Cooling the compound in Ice.5. Scratching the flask with a glass rod.6. Filtering and drying the crystals.
if you lived in the mountains where the atmospheric pressure is 685 mm Hg, what would the partial pressure of oxygen and of nitrogen be ?
Important information about Quant problems, Calculate pFe2+ at Ve in the titration of 25.00 mL of 0.02026 M EDTA by 0.03855 M Fe2+ at pH
How much heat is required to warm 12.0 g of ice, initially at -11.0 C, to steam at 113.0 C?
Consider the following reaction: 2A + B → 3C + D If 63.0 mol A and 42.0 mol B react to form 54.0 mol C. What is the percent yield of this reaction.
A car battery contains 1.0 L of 4.3 M sulfuric acid. Using the value in your answer to question E., calculate how many TUMS® tablets would be required to neutralize all the sulfuric acid in a car battery.
Using phosphoric acid, what concentrations are needed to give a pH 8.10 solution with an ionic strength of 0.100 M?
We find that 61.1 mL of an HCl solutionreacts exactly with 74.2 mL of 1.371 M KOH solution. Calculate the molarity of the HCl solution.
Find delta H for the solution of one mole of NaOH in H2O If calorimeter constant is 11 cal/deg C
She weighed an empty 4.3 L bulb, then filled it with the gas at 1.60atm and 23.0 C and weighed it again. The difference in mass was 7.9g . Identify the gas.
549 mL of hydrochloric acid is exactly neutralized with 292 mL 0.450 M calcium hydroxide solution. What is the concentration of the acid solution?
N2H4+3O2----2NO2+2H2O The limiting reagent is O2 how many kg of NO2 are produced from the reaction of 75kg of the limiting reagent.
An sulphuric acid solution has a concentration 3.75 M and a density of 1.230 g/cm3. Determine the molality of the solution.
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