1a) 0.1% = ? ug/ml? Only include the number and not any units

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Q: 3. What is the concentration (molarity) of a solution made from 12.5 g of calcium fluoride and 250mL…

A: Molarity = number of moles of solute/volume of solution (in L) Number of moles = mass/molar mass…

Q: 4. Predict the effect of temperature increase, (b) pressure decrease, (c) concentration increase of…

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A: Concept used: Density = mass VolumeSpecific Gravity =Density of solutionDensity of reference

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Q: A standard solution of a chemical compound was prepared by diluting 10.0 mL of a 5,0 M stock…

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Q: A stock solution has a concentration of 5.50 mol/L. What volume of this stock solution is required…

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Q: Starting with a 6.861 M stock solution of HNO3, five standard solutions are prepared via serial…

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A: Introduction :-  The relation between Mass and moles is                       Mass = Moles(mol) ×…

Q: If you dissolve 15mg glucose (Formula Weight. 180.16g/mole) in 15mL of water (all answers must be…

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Q: 25.64 mL of pure acid, X3A, was titrated w28.18 mL of 0.3Lel M sodium hydroxide. What is the…

A: Given information, Volume of pure acid, X3A (V1) = 25.64 mL Volume of sodium hydroxide (V2) = 28.18…

Q: A solution is prepared by dissolving 3 x 103 mol PbCl2 (s) in 1L of hot water. a) Write the correct…

A: Number of moles = 3*10-3 Molarity = Number of moles / 1L Volume  = 1L Concentration = 3*10-3/1L…

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Q: 1. What mass of NaCl is needed to prepare 5000 vaccine doses? 2. Find the concentration of the…

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Q: Dilution A. How many mL of concentrated nitric acid, HNO3, that is 12M do you need to make 500 mL…

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Q: How many grams of solute are contained in 200 mL of a 4%(wt/vol) solution? A. 8.0 В. 1.2 С. 0.4 D.…

A: Given that -  % (wt/vol) = 4%  Volume of Solution = 200 mL    Then , from following formula -  %…

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Q: Find tha density of 1.19 g/ml and contains 37.0e molarity of Solution of Hcl that has (w/w %) How…

A: Given , Density of HCl=1.19 g/mL Solution concentration=37%(w/w)

Q: Be sure to answer all parts. How many moles of NaCl are contained in each volume of aqueous NaCl…

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Q: molarity c

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Q: A Moving to another question will save this response. Question 13 Which of the following compounds…

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Q: 7. During week l's lab we investigated the effect of different soaking solutions on the behavior of…

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Q: What percent solution if 11.2 g of Na2SO4  is dissolve to make 112 g of solution?  Answer to 2…

A: mass of Na2SO4 = 11.2 g mass of the solution = 112 gmass % of the solution = ?

Q: How many liters are there in 3.14 moles of a 2.00 M solution of potassium hydroxide?

A: Given: Molarity= 2 M  no. of moles= 3.14 mol  To find: Volume in litres

Q: 8. What is the concentration in Molarity of zinc nitrate solution that is 15 ppm zinc? (Zn: 65.39…

A: Parts per million (ppm) is a measure of concentration. 1 ppm is equivalent to 1 milligram per liter…