A 12.5% (w/w) NiCl2 (129.61 g/mol) solution has a density of 1.149 g/mL. Calculate a. the molar concentration of NiCl2 in this solution. b. the molar Cl concentration of the solution. c. the mass in grams of NiCl2 contained in each liter of this solution.

Q: solution is made by diluting 200ml of a 3mol/L standard solution to a volume of 0.6L. What is the…

A: We have given that  A solution is made by diluting 200ml of a 3mol/L standard solution to a volume…

Q: (a) Calculate the mass percentage of NaNO3 in a solution containing 13.6 g of NaNO3 in 834 g of…

A: Given: Mass of NaNO3 = 13.6 g Mass of water (H2O) = 824 g   Calculation for mass percent of NaNO3:…

Q: 11) The density of an 15.0 % ethanol (C2HSOH) solution is 0.984 g/mL. a) Calculate the molarity of…

A: Given,  Density of ethanol = 0.984 g/mL  Mass percentage of ethanol = 15.0%  a). Calculate the…

Q: given 0.75 L of 1.5×10−2 M KBr, find the molality of KBr and the volume of H2O

A: The molality of the solution can be calculated as = [(no of moles×1000)/(mass of the soln.)] Number…

Q: determine the concentration of the solution formed by mixing 3.60 g KCl in 75.0 mL of 0.250 M CaCl2…

A: Given, weight of KCl = 3.60 gVolume of CaCl2 = 75.0 ml = 0.075 L1) Calculate the no. of moles of KCl…

Q: How many mL of 0.531 M HCl are needed to dissolve 6.97 g of MgCO3? 2HCl(aq) + MgCO3(s)  MgCl2(aq) +…

A: Given data: The molarity of HCl is 0.531 M. The mass of MgCO3 is 6.97 g. To calculate: The volume of…

Q: How many mL of 0.489 M HCI are needed to dissolve 6.71 g of CaCO3? 2HCl(aq) + CaCO3(s) →→→ CaCl₂(aq)…

A:

Q: 17. Calculate the molar concentration of isopropanol in an aqueous solution that contains 3.00 g of…

A:

Q: A 1.94 L1.94 L aqueous solution of KOHKOH contains 187 g187 g of KOHKOH. The solution has a density…

A: Given:Volume of solution = 1.94LDensity of solution = 1.29 g/mlGiven Mass of KOH = 187g

Q: Calculate the molality, the molarity, and the mole fraction of NH3 in an 6.20 mass % aqueous…

A: Step (1) Mass % of ammonia = 6.20 % Mass of ammonia = 6.20 gm Mass of solution = 100 gm Mass of…

Q: (4) How many moles of KF are contained in 244 mL of 0.135 m KF solution? The density of the solution…

A: Molality of KF solution,m = 0.135 m Density of solution = 1.22 g/mL Molar mass of KF,M’ = 58 g/mole…

Q: 1.) What mass of NiCl2 must be dissolved in 75 mL of water to make a 2.5% solution? Density of water…

A:

Q: a) A 10.0mL sample of concentrated (pure) sulfuric acid (H2SO4) contains 17.7g of H2SO4. Determine…

A: Since you have posted multiple question. We will solve the first question for you. To get the…

Q: (a) Describe how to prepare 0.500 L of a 0.100 M aqueous solution of                    potassium…

A: (a) Given: To prepare 0.500 L of a 0.100 M aqueous solution of KHCO3

Q: ) The mass of potassium hydroxide (KOH) to be dissolved in (100 ml) of water to obtain a solution of…

A: Given molarity of KOH = 0.25 M  Volume of KOH in mL = 100 mL  Mass of KOH = ?

Q: Calculate the concentration of a 650 ml solution containing 40.0 grams of dissolved Na₂S. (T/I)

A:

Q: How many mL of 0.601 M HCI are needed to dissolve 8.54 g of MgCO3? 2 HCl(aq) + MgCO3() MgCl2(ag) +…

A: Answer

Q: A solution contains 118.5 g KI per liter solution. Calculate the concentration in a) % w/v b) % w/w…

A: Given: mass of KI = 118.5g Volume of solution = 1 L Density = 1.078 g/mL

Q: A solution of 0.5 M NaOH of volume 100 ml is diluted to to make a solution of 0.2M. Find the volume…

A: Molarity of the solution is the number of moles of the Solute Present in one liter of solution. It…

Q: If 29.0 grams of MgCl2 were dissolved in 0.250 liters of water, what would be the molarity of this…

A:

Q: What volume of a 0.1000 M hydroiodic acid solution is needed to neutralize 25.0 mL of a 0.350 M…

A:

Q: What mass (in g) of NH3 must be dissolved in 475 g methanol to make a 0.250 m solution? 2.02 g 4.94…

A: Given, mass of methanol = 475 g molality of solution = 0.250 m

Q: Calculate the molar concentration of isopropanol in an aqueous solution that contains 3.00 g of…

A:

Q: Calculate the molarity of an NH, solution made up of 30.0 g of NH, in 70.0 g of water. The density…

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Q: What is the solubility of KNO; at 25°C in 150 g of water? Solubility Curve for Potassium Nitrate 160…

A: Solubility of KNO3 at 25oC in 100g water is approx. 40 according to the given graph.

Q: How many mL of 0.605 M HBr are needed to dissolve 5.66 g of BaCO3? 2HB1(aq) + BaCO;(s) BaBr2(aq) +…

A: The given reaction is as follows:       2HBr(aq) + BaCO3(aq) → BaBr2(aq) +H2O(l) + CO2(g) The…

Q: 9.56 Calculate the final concentration of each of the following: a. 1.0 L of a 4.0 M HNO, solution…

A: a) We have 1L of 4M HNO3 solution. That means, 1 L solution has 4 moles of HNO3. Now, 7 litres of…

Q: Calculate the volume of water (in mL) that must be added to 50.9 mL of a 7.53 mol/L Naclo3(ag)…

A: Here we will use the formula  M1 V1 = M2 V2  Where M1 and M2 is the initial and the final…

Q: Calculate the molarity for a solution containing 0.34 moles of NaNO3 dissolved in 0.5 liters of…

A: Molarity can  be defined as number of moles of solute dissolved in per litre of solution.  In other…

Q: How many mL of 0.548 M HCI are needed to dissolve 7.69 g of MgCO3? 2HCI(aq) + M9CO3(s) MgCl2(aq) +…

A: We have to predict the volume of HCl needed.

Q: Describe how much solid NaHCO3 and water you would need to create a 25.0 mL of 0.100 M NaHCO3 Assume…

A:

Q: 4. The density of sodium hydroxide solution is 1.40g/mL. Calculate a. The mass of 0.0500 L of…

A: Given : Density of solution = 1.40 g/mL. To find : Volume of solution. Solution : As we know, the…

Q: how many ml of water should be added to dilute 60.00 ml of 4.000 M kl to 1.500 M kl

A:

Q: A solute was added to a solvent and mixed well. Some of the solute settled to the bottom of the…

A: A  solute was added to a solvent and mixed well. Some of the solute settled to the bottom of the…

Q: A potasium carbonate solution is 14.6% KCO3 by mass and has a density of 0.68 g/mL. Calculate…

A: Molarity is defined as the moles of solute per litre of solution. Note : KCO3 is wrong. Instead of…

Q: calculate the (v/v) % concentration if 200. ml of solution contains 15.0 ml of any soluble liquid…

A:

Q: A 50.0 mL portion of a 1.60M solution is diluted to a total volume of 288 mL. A 144 mL portion of…

A:

Q: A 0.512 g sample of CaCO3 is dissolved in 12 M HCl and the mixture is diluted to 250 mL. How many…

A:

Q: A solution was created by dissolving 45.6 grams of sodium sulfate in enough water to make 435 mL of…

A: Mass of Sodium sulfate = 45.6 g Molar mass of Sodium sulfate = 142.04 g/mol Number of moles of…

Q: How much water must be added to dilute the concentration to 0.750 M KCl?

A:

Q: Determine the volume of the stock solution required to make up 250.0 mL a 0.01 mol/L solution of…

A: Applying concept of molarity equation M1V1=M2V2

Q: How many grams of NH3 will dissolve in 0.10 L of solution when its partial pressure is 7.6 torr? (kH…

A:

Q: Solution A is 3.00 M CaCl2. 10.0 mL of solution A are diluted to solution B. 40.0 mL of solution B…

A: Solution-Given M=3 MV=10mLmoles of CaCl2= molarity × volume in litremoles of CaCl= 3  molL×0.01…

Q: For a 25.0% solution of CaCI2, calculate the: a. mass of CaCl2 in 460.0 grams of solution b. amount…

A: Given data contains, Mass percent of CaCl2 solution is 25.0%. Mass of solution is 460.0 grams.

Q: A 55.0 mL aliquot of a 1.50 M solution is diluted to a total volume of 268 mL. A 134 mL portion of…

A: This can be calculated using the formula: M1V1=M2V2

Q: Sodium hydroxide (NaOH) is extremely soluble in water. A saturated solution contains 572 g of NaOH…

A: Using concept of mass percentage and molality.

Q: 1. [H2O2] – molar concentration of 3% m/v hydrogen peroxide solution The concentration of hydrogen…

A:

Q: How many mL of 0.546 M HNO3 are needed to dissolve 7.53 g of MgCO3?2HNO3(aq) + MgCO3(s) --->…

A:

Q: salt

A: According to the question, a solution is made by putting 100g of NaNO3 into 200 mL of water at 70°C…