A 10.5%(w/w) NiCl2 solution has a density of 1.149 g/mL. What is the mass in grams of Ni2+ contained in each liter of this solution.

Q: What is the molarit of a solution make by dissolving 36.29 g of NaCl in 2.30 L of solution?

A: Concentration always exhibits the dissolved moles of existing solute into particular solution's…

Q: 2. A solution is prepared by mixing 5 ml of ethyl alcohol in 100 ml of water. What is the volume…

A:

Q: 1. What is the percent by volume of a solution formed by mixing 15 mL of isopropanol with 55 mL of…

A: Percent by volume = (volume of solute/volume of solution) x 100%  Volume of solution = volume of…

Q: 2. How many L of solution do you need to make a 25 (w/v) % NaCl solution using 50.1 g of NaCI?

A: Given that : Mass of NaCl = 50.1 g (W/V) % of NaCl = 25% Volume = ?

Q: What is the %v/v of a solution made from 176.1 g of ethylene glycol (density is 1.11 g/mL) in water…

A:

Q: Calculate

A: moles of Ba(OH)2 = mass / molar mass of Ba(OH)2  Moles of Ba(OH)2 = 9.50g / 171.34 gmol-1  moles of…

Q: How would a healthcare professional make 150 mL of a 25% w/v NaCl solution?

A: Given: The volume of the NaCl solution=150 mL Mass by volume percent= 25% Mass of NaCl=?

Q: What is the concentration in percent by volume of a solution containing 50.0 mL of diethyl either…

A:

Q: What is the molarity of a hydrogen peroxide solution (H2O2) solution prepared by mixing 30 grams of…

A: Molarity is a unit of concentration defined as the number of moles of solute per volume of the…

Q: How many mL of a solution whose % (v/v) = 45% contain 30.0 mL of solute?

A: We have to calculate volume (in mL) of a solution whose % (v/v) = 45% contain 30.0 mL of solute.

Q: Calculate the mass (in g) of glucose needed to make 50.0 mL of a 20% Glucose (m/v) solution.

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Q: 2). Helium gas, 3.0 x 10-4 g, is dissolved in 200 g of solution. Express this concentration in parts…

A: Parts per million (ppm) = mass of solute X 106/ mass of solution

Q: 5. How many grams of CaCL2 (MM = 110 g/mol) should be dissolved in H20 to prepare a liter of 1.2M…

A: Molarity means moles of solute dissolved in a litre of solution.

Q: Using molarity to find solute moles and solution volume Caliyah v Calculate the volume in…

A: Given that : Molarity of Calcium bromide = 3.3 M Moles of calcium bromide = 100 mmol Volume of…

Q: what is the concentration of solution in: c = 12 h = 1 o = 16. % by mass?

A: In the calculation of percentage of mass of concentration both the solute and solvent are to be…

Q: An aqueous solution of nickel(II) fluoride, NiF2 , contains 3.42 grams of nickel(II) fluoride and…

A: Given,  Mass of NiF2 = 3.42 g  Mass of water = 17.2 g  What is the weight/weight percent of NiF2 in…

Q: A solution is 2.25% by weight NaHCO3. How many grams of NaHCO3  are in 150.0 g of solution? A)…

A: SOLUTION: Step 1: The weight percentage of a solution can be calculated as follows.

Q: 1. What mass of the following chemicals is needed to make the solutions indicated? a. 1.0 liter of a…

A:

Q: Sulfuric acid has a great affinity for water and for this reason the most concentrated form of…

A: We will first find mass of sulphuric acid in 100 g of solution. Then find mass of it in 3 L…

Q: What is the %v/v of a solution made from 66.1 g of ethylene glycol (density is 1.11 g/mL) in water…

A: Given data,Mass of ethylene glycol=66.1gDensity of ethylene glycol=1.11g/mLTotal volume=500mL

Q: How many grams of carbon dioxide are there in 2.5 liters of 0.11M solution?

A: Grams of carbon dioxide are there in 2.5 liters of 0.11 M solution will be:

Q: 10. How many mL water must be added to produce a. 625 mL of 1.00M solution from 6.00M solution?

A: During dilution, the number of moles of solute remains the same. The product of molarity and volume…

Q: Q1: A solution of 100 mL of 1.17 % (W/V) NaCl is prepared in a laboratory; calculate the NaCl…

A: Note :as per our guidelines we are supposed to answer only one question. Please repost other…

Q: 1. What is the molarity of a solution made by dissolving 12.5 g NaCl up to 1 L of H2O?

A: Moles of NaCl is calculated as,

Q: How can 100.0 ml of 1mg / ml NaCl solution be prepared from 50.0 g / l NaCl solution?

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: How many grams of potassium dichromate (K>Cr207) are required to prepare a 500-mL solution ~ whose…

A: Given, Volume = 500 mL = 0.5 L Molarity = 5.00 M. To calculate the mass in grams.

Q: How many equivalents per liter are in a 2.3 M solution of NazPO?

A:

Q: What is the final volume (LL) of each of the following diluted solutions? a 8.0 %% (m/v) KOHKOH…

A: 8% m/v KOH solution means 8 g of KOH is present in 100 ml of solution. 20% KOH solution means that…

Q: A 20.0 % by mass solution of phosphoric acid (H3PO4) in water has a density of 1.114 g/mL at 20°C.…

A: Molarity is calculated by using formula : molarity = moles of solute / volume of solution ( L)  So,…

Q: What is the volume in mL of ethanol needed in 650 mL solution of 2.3 v/v% ethanol in water?

A:

Q: 3. Find the percent by mass in which 41.0g of NaCI is dissolved in 331g of water.

A: The mass % of the solution is equal to the ratio of the mass of the given substance to the total…

Q: you are given 15ug/ml atrazine to prepare a 3 ppb solution  a. use te terms working and stock to…

A:

Q: 1. What initial volume of a 10x SDS stock solution would you use to make a 1x solution with a final…

A: Two questions based on concentration terms that are to be accomplished.

Q: What is the concentration of a solution, when 1.4 moles of MgOH are dissolved in 1200mL of H2O?

A: Given: The moles of magnesium hydroxide=1.4 mol Volume of solution =1200 mL Volume of solution=1200/…

Q: 2. a) 25mL of water is added to 125mL of 1 0.15mol/L NAOH solution, what is the concentration of the…

A: Given  (a)  Initial Concentration of NaOH solution ( M1 ) = 10.15 mol/ Liter              initial…

Q: concentration in ppm?

A:

Q: Solution Volume of Solute Mass of Solute Volume of Water (if liquid) to be Added A. 5% by volume,…

A: Concentration of a solute can be expressed in terms of volume by volume percentage. Write the…

Q: What volume of solution( mL) is required to prepare a 2.28 M solution with 37 g of K2SO4 (MM = 174.3…

A: Given: The molarity of the K2SO4 solution = 2.28 M The mass of K2SO4 = 37 g The molar mass of K2SO4…

Q: What is the volume/volume percent concentration of a solution prepared from 31 mL of ethyl acetate…

A: (v/v)% means volume/volume percentage. This is determined by : (volume of one component/total…

Q: 1) Find the mass of potassium hydroxide and water needed to make a 5.80 % wt solution. 2) Find the…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: A 32.0 mL aliquot of a 38.0 wt% aqueous KOH solution is diluted to 1.00 L to produce a 0.297 M KOH…

A:

Q: Triton X-100 is a liquid, detergent with a molar mass of 647.0g/mol and a density of 1.07g/ml. What…

A: Molarity of the solution is equal to the number of moles of solute present in one liter of the…

Q: 6.02 x 10^20 molecules of urea are present in 100 mL of its solution. The concentration of solution…

A: First we will find moles of urea present using mole concept. Then find concentration of urea.

Q: c. 8.50 g of NH4 Cl in 270.0 mL of solution M NH4 Ma- M

A:

Q: How many mL of the 2.0M solution are needed to prepare 500 mL of 0.20 M solution? (M1*V1 =M2*V2)

A: Given values are.  M1= 2.0 M V1=? M2=0.20 M V2=500mL Formula: M1×V1=M2×V2

Q: when 0.5L of a 12M solution is diluted to 1.0L, what is the molarity of the new diluted solution?

A: Molarity is defined as “the mole of the solute per unit volume of the solution”. It is represented…

Q: Calculate the volume of NaSCN 12x103M solution necessary to prepare 10 ml of 8x10-3 M NaSCN solution…

A: Using  C1V1=C2V2 for finding the volume

Q: 8) What is the mass percent of a solution made by adding 90.1 g of KCl to 525 mL of water? (…

A: Mass% = Mass of solute x 100/Mass of solution

Q: Calculate the percent by mass of a solution composed of 35.0g of KNO3 and 57.5g of H2O

A: % concentration (by mass) =( mass of solute ÷ mass of solution)× 100 % Mass of solution = mass of…