Solutions containing calcium produce a red-orange color in flame tests. When a flame test is done on an unknown solution, a lavender flame results. Thus, the unknown solution contains calcium True False

Q: PART II: PRECIPITATION BY INORGANIC ACIDS RESULT and OBSERVATION TUBE NO. 1. 3 mL of 5% egg…

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A: Density =mass/volume. We have to determine mass and volume separately.

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Q: A solution is prepared by dissolving 24.5 g of Cacl2 (MW = 110.98 g/mol) in 385 ml of water. The…

A: Given mass of CaCl2  = 24.5g Molar mass of CaCl2  = 110.98g/mol Volume of the solution =385ml

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Q: How could you discover if there is salt dissolved in the water?   A. dissolve an additional portion…

A: Salt dissolved in the water can be discovered as follows:

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A: Sodium hydrogen carbonate  has formula  NaHCO3 and also known as baking Soda .

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Q: It is important that the correct solution is used for rinsing volumetric glassware. Discuss how your…

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Q: ncentrated HCl is 12.1 M.  Determine the volume in mL of the concentrated solution required to…

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Q: Are sulfur ointment and precipitated sulfur ointment the same?

A: Sulfure ointment and precipitated sulfur ointment are same or different is given below.

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A: For Ferrous Ammonium sulphate, Volume, V = 100 mL = 0.1L Concentration, C = 20 ppm Mass, m = ?

Q: lution 01 0.0500 M NaOH Volumes: Initial 45.16 mL 42.93 mL Final 21.38 mL 18.78 mL Used Average Used…

A: The values as calculated Initial 45.16ml 42.93ml Final 21.38ml 18.78ml Used 23.78ml 24.15ml…

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Q: Calculate the moles of nitrate ions in 16.786mL of a 0.29M aluminum nitrate solution. Hint: multiply…

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A: During titration two solutions are used. One with known concentration which placed in burette.

Q: Discuss whether your data in Part C (Quantitative Analysis of Salt Solutions) appears to follow a…

A: Conductivity of a solution is related to concentration by the equation : λm = κ/C where λm is molar…

Q: Calculate the volume of 0.169 M HNO₃ required to neutralize 25.0 mL of 0.250 M NaOH.

A: Given :-  Molarity of HNO3 solution = 0.169 M  Molarity of NaOH solution = 0.250 M  Volume of NaOH…

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Q: Locke-Ringer's solution contains 9 g of sodium chloride, 0.24 g of calcium chloride, 0.42 g of…

A: Locke-Ringer Solution An isotonic solution used for the treatment of dehydration. It contains…

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Q: Your answers are saved automatically. Remaining Time: 1 hour, 58 minutes, 27 seconds. * Question…

A: □Tf = 5.5-4.3 =1.20 °c □Tf = i ×Kf ×m Molality(m) = moles/mass of solvent  m = 2.5/MM×0.025

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Q: chemist has a 60 mL beaker of a 30% solution. a. Write an equation for the concentration of the…

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A: Dilution means addition of solvent to a solution in order to decrease its concentration. Dilution…

Q: the laboratory you dilute 3.60 mL of a concentrated 12.0 M hydrobromic acid solution to a total…

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Q: Draw a schematic diagram using this information.

A: crystallization- It is the set of processes involved to obtain pure sample from a given crude/impure…

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Q: ammonium carbonate + chromium (III) acetate Mol: Ionic: Net:

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A: Given : Molarity = 4 M Final volume = 250 ml Final molarity = 0.350M

Q: sample of cadmium weighing 3.139 g is dissolved in 3.00 M HCl. What (minimum) volume of HCl is…

A: Given that: Mass of cadmium = 3.139g Molar mass of Cadmium = 112.4g/mol Moles of Cd =…

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Q: A pond water sample was found to have 16 mg CaCO, in a 100.0 mL sample. Calculate the concentration…

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Q: Give two important uses of washing soda and baking soda.

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A: Given, BSA volume = 25 mL distilled water = 25 mL assay dye = 2.4 mL