How many grams of al2so4.18h2o should be weighed for a 25 mL solution to contain 7% Al(III)?

Q: What mass, in grams, of sodium bicarbonate are contained in 0.550 L of a 2.15 M solution?

A: Given, Volume of Sodium Bicarbonate  Solution = 0.550 L Molarity = 2.15 M = 2.15 mol/L  Mass of…

Q: What is the molar concentration (in moles/L) of a solution made with 3.744 g of Mg(NO3)2 dissolved…

A: Given :-  Mass of Mg(NO3)2 = 3.744 g  Volume of solution = 50.0 mL  To calculate :-  Molar…

Q: How many grams of ammonia (17.03 g/mol) are present in 5.0 L of a 0.050 M solution?

A:

Q: How many grams of boric acid (MW = 61.83 g/mole) will be needed to prepare 500 mL of a 0.50% (m/v)…

A: Molarity is defined as total number of moles of solute dissolved in one litre of solution…

Q: Calculate the molarity of a solution prepared by diluting 122 mL of 0.340 M K2Cr2O7 with 706 mL of…

A: 122 mL of 0.340 M K2Cr2O7 with 706 mL of water Given : Initial molarity of K2Cr2O7 = 0.340 M…

Q: A sample of pure oxalic acid (H2C2O4 · 2H2O) weighs 0.2000 gram and requires 30.12 ml of potassium…

A: Normality is used to express concentration. It tells the amount of substance in 1 L of the solution.…

Q: What is the normality of 0.0566 M H3PO4?

A: Given: Molarity of H3PO4=0.0566 M Normality of H3PO4=? H3PO4 is a tribasic acid i.e. it has 3…

Q: What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO3 to a volume of 250 mL?

A: Given the molarity of stock solution =6.00 M volume of stock solution =26.5 mL =0.0265 L and the…

Q: Ibuprofen, widely used as a pain reliever, has a limited solubilityin water, less than 1 mg>mL.…

A: The considered chemical compound is ibuprofen.

Q: How many grams of C10H14N2Na2O8∙2H2O (Disodium salt of EDTA) should be weighed out to prepare 250 mL…

A: We have to calculate the mass of disodium salt of EDTA to prepare the given solution.  Given  Volume…

Q: What is the molarity of a solution made from dissolving 15.5 g of MgCl2 (FW 95.2) in sufficient…

A: Given Mass of MgCl2 = 15.5 g Molar mass of MgCl2 = 95.2 g/mol Volume of solution = 250 ml = 250÷1000…

Q: How many grams of KCL (MW = 74.5) are needed to prepare 250ml of a solution containing 37.5 mOsmol…

A: Osmolarity is defined as the number of osmol present per litre of solution. Given data,Molecular…

Q: (a) Calculate the mass percentage of Na2SO4 in a solutioncontaining 10.6 g of Na2SO4 in 483 g of…

A: Mass percentage of the compound is equal to the mass of the compound divided by the mass of solution…

Q: What is the molarity of a 12.6% solution of sodium carbonate with density of 1.31 glml?

A: Molarity is calculated using,

Q: How many grams of calcium phosphate (MM =310.) Ca3(PO4)2? are present in 250. mL saturated solution…

A: The solubility equilibrium in this case will be,…

Q: How many grams of chromium(III) sulfate, Cr2 (SO4)3, are required to make a 5.23 %(w/v) aqueous…

A:

Q: How many moles of nitrate are dissolved in 66.900 g of water in a 0.81400 m aluminum nitrate…

A: Given that: mass of solvent, water = 66.900 g molality of aluminium nitrate = 0.81400 m To find:…

Q: Calculate the mass (m/m) percent of sodium iodide in solution prepared by dissolving 6.43 g of NaI…

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Q: Calculate the mass in grams of k2so for needed to prepare 32.00g of 2.000% K2SO4 solution?

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Q: what volume of 18.0 M sulfuric acid is required to prepare 2.00 L of 0.150 Mg(NO3)2 solution

A:

Q: If 7.5 g of sodium nitrate, NaNO, is dissolved in 85ml of H20 (density of H2O = 1.0g/ml), calculate…

A:

Q: What is the total volume of solution, in mL, needed to dissolve 13.73 g of K3PO4 at a concentration…

A: Molarity (M) is defined as the number of moles of solute per volume of the solution in liters. i.e.…

Q: What mass of K2CO3 is needed to prepare 94.0 mL of a solution having a potassium ion concentration…

A: We have to calculate the mass of potassium carbonate needed.

Q: How many grams of Ca3(PO4)2 are dissolved in a 0.9 L solution with a concentration of 3.9 M?

A: Given Concentration of Ca3(PO4)2 = 3.9M Volume of solution taken = 0.9 L We need to determine the…

Q: How many grams of solid K3Fe(CN)6 (Mw = 329.2 g/mol) will be needed to prepare 532 mL of 0.0692 M…

A: Grams of CN- = molarity × volume × molar mass of CN- Grams of CN- = 0.0692 M × 0.532 L × 26 gmol-…

Q: How many grams of TiCl3 (154 g/mol) are needed to make 20 liters of an isotonic solution?

A: Two or more solutions exerting the same osmotic pressure are called as isotonic solutions.

Q: Section 7.5 Solution Preparation 1I)What is the molarity of a solution prepared by diluting 25.0mL…

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Q: How many grams of Al2(SO3)3 are in 300 mL of 1.5 M solution whose density is 1.40 g/mL.

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Q: How many grams of nickel(II) fluoride, NiF2 , are required to make a 8.78 %(w/v) aqueous solution in…

A: Given that : The volume of aqueous solution = 300 mL %w/v of nickel(II) fluoride = 8.78 %

Q: 3. How many grams of solute are present in 50.0 ml of a 0.850 M solution of Potassium dichromate (…

A: Given: 50.0 mL of 0.850 M K2Cr2O7Molar mass of K2Cr2O7 = 194 g/mol

Q: What volume of 0.200 M Na2CO3 (MW = 106) solution contains 53.0 g of Na2CO3?

A: Given solution of Na2CO3 has concentration of 0.200 M and the solution contains 53.0 g of Na2CO3.…

Q: How many grams of GaCl3 are needed to produce 151.4 mL of a 0.109M GaCl3 solution?

A:

Q: How many mL of stock solution is required to prepare 50 mL of 12.5% H2O2 solution from 90% hydrogen…

A: We know that  a one percent solution defined as 1 gram of solute per 100mL final volume.

Q: The number of grams of  Li2CO3 in 325 mL of 1.25 M Li2CO3 solution

A: We know , Molarity of substance = Moles of substance /volume of solution in L From this we can…

Q: How many grams of CUSO4.5H2O (249.68 g/mol) should be dissolved in a volume of 500.0 mL to make 8.00…

A: Given,  Millimolarity of Cu2+ = 8.00 mM  Volume = 500.0 mL  Molar mass of CuSO4.5H2O = 249.68 g/mol…

Q: What mass of K3FE(CN)6 is needed to prepare 900 mL of 0.0740 M K* solution?

A:

Q: What volume of water is needed to dilute 205.0 ml of a 9.50 M silver nitrate solution to a…

A: In the dilution process, the relationship between initial and final concentrations and volumes of…

Q: A 0.128 g sample of KHP (HKC8H4O4) required 28.54 mL of NaOH solution to reach a phenolphthalein…

A: Mass of HKC8H4O4 = 0.128 g Molar mass of HKC8H4O4 = 204.44 g/mol So, Number of moles  = 0.128 g /…

Q: 6.00 mol of C6H12O6 in 250.0 mL of solution      M

A:

Q: A 300 mL solution containing 1.85 g CaCl2 is mixed with a 500 mL solution containing 1.95 g NaCl.…

A: The total volume of the solution is 800mL and the amount of CaCl2 is 1.85g and the amount of NaCl is…

Q: #3 How many grams of copper(II) fluoride are needed to make 6.7 liters of 1.2 M solution?

A:

Q: What weight of KCN is equivalent to 30.00 mL of AgNO3 solution containing 15.00 g/liter (a) by the…

A: We have to find weight of KCN is equivalent to 30.00 mL of AgNO3 solution containing 15.00 g/liter…

Q: 2. Calculate the mass (in g) of KI required to prepare 500. mL of a 2.80 M solution.

A: The molarity is the concentration term which is defined as the number of moles of solute dissolved…

Q: what mass of Na2CrO4 is required to precipitate all of the silver ions from 55.0 mL of a 0.300 M…

A: Given:Molarity of AgNO3 = 0.300 M.Volume of AgNO3 = 55.0 mL = 0.055L.The balanced chemical reaction…

Q: How many grams of Magnesium Nitrate are contained in 415 mL of a 2.5M solution?

A:

Q: What volume in liters of 0.250M H2SO4 is required to neutralize a solution prepared by dissolving…

A:

Q: How many liters of .225 M Na2S solution would be required to react completely with 81.8 g…

A: Given: Molarity = 0.225 M     Fe (C2H3O2)3 = 81.8 g Volume of solution is calculated as

Q: phosphoric

A: According to the question, Normality of phosphoric acid  = 44.6 N n-factor for phosphoric acid = 3…