33. If 0.5 L of a 12-molar solution is diluted to 1.0 L, what is the molarity of the new solution? * O a. 2.4 O b. 6.0 O c. 12 O d. 24 34. How many grams of KOH are needed to prepare 20milliliters of a 2.00 56.0g/mol)? * M solution of KOH (molar mass = O a. 1.00 O b. 2.00 O c 28.0 Od 112

Q: What is the molarity of a solution

A: Molarity is the ratio of number of moles of solute to the volume of solution (in L)

Q: What is the molarity of an 125 mL solution that contains 1.8 g of dissolved NaCl (molar mass = 58…

A: Calculation of molarity :  Sodium chloride (NaCl) is commonly known as table salt. The molar mass of…

Q: 12.24 Concentrated HI is 47.0% HI by mass and has a density of 1.50 g/mL. (a) How many grams of…

A:

Q: How many grams of NaOH  are there in 183 grams of an aqueous solution that is 2.65% (w/w) NaOH ?…

A: Weight concentration of a solution is expressed as % w/w. Like before, this stands for weight per…

Q: Calculate the molarity of solution. 32.4 mg NaCl in 122.4 mL of solution

A: Molarity (M) Molarity is used to express concentration of a solution molarity(M)=number of moles of…

Q: A Na2SO4 solution is prepared that is 1000.0 ppm (parts per million) sodium ion. a) What is the…

A: a) 1 ppm is equivalent to 1 mg/L Thus 1000 ppm is equivalent to 1000 mg/L. Determination of…

Q: le of commercial perchloric acid is 70.0% HCIO4 by mass, its density is 1.664 g/mL. How many ated…

A: Calculate the mass of perchloric acid in the given solution,

Q: (a) A solution is made by dissolving 13.5 g of glucose (C6H12O6) in 0.100 kg of water. What is the…

A: a) Since mass percentage is defined as the percentage of solute in the solution  i.e % m/m = mass of…

Q: What is the percent-by-mass concentration of NaCl in a solution that is prepared by adding 15.0 g of…

A: Mass percentage is another method applied to depict concentration of given compound in known…

Q: 2. A solution is prepared by dissolving 10.44 g of NaCl in enough water to make 500.0 mL of…

A: 1 parts per million (ppm) is equivalent to 1 mg/L. Expressing the given concentration in mg/L: 500…

Q: What is the percent NaOCl by mass in an aqueous 5.00 molal NaOCl solution? a.35.5% b. 5.00% c.…

A:

Q: C. 100. mL of ethanol (C2H5OH) in 500. mL of solution (The density of ethanol is 0. 6. How many…

A: One of the Concentration measured i methods is Molarity  method  Molarity=moles/liter M=weight…

Q: ow many g of barium fluoride are needed to prepare 43.6 mL of a 1.55 M solution of barium fluorid

A: The molarity is the concentration term which is the number of moles of solute per liter volume of…

Q: For a 5.0% solution of CaCl2, calculate the: a. mass of CaCl2 in 360. grams of solution. b.…

A: Mass percentage is defined as the total mass of the substance( solute) divided by total mass of the…

Q: A 51.24 g sample of AX (Molar mass = 171.34 g/mole) is dissolved in enough water to make 2.1 L of…

A: Mass of solute (AX)=51.24 g Molar mass of AX=171.34 g/mol Moles=Mass/Molar mass Moles =…

Q: A solution is prepared by dissolving 133 g of NaCl in 947 g water to make a total solution volume of…

A: Given : Mass of solute i.e NaCl = 133 g Mass of water = 947 g And total volume of solution = 1.00 L…

Q: How many grams of Na2CO3Na2CO3 are present in 27.0 mL27.0 mL of a solution that is 27.0% Na2CO327.0%…

A: The volume of the solution is = 27.0 mL The mass percent concentration of the solution is = 27.0 %…

Q: KCl is 1.61% by mass in 54.6 g of water. Calculate the mass of KCl present in the solution

A:

Q: How many grams of copper sulfate would you need to make 3 L of a 7 M copper sulfate solution (m.w. =…

A: Molarity of a solution is defined as the number of moles of solute present in one litre of a…

Q: What mass of kclo3 is needed to make 433.2 g of a 5.9% by mass solution

A:

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: What is the concentration in molarity of an aqueous solution which contains 17.51% by mass ethanol…

A:

Q: 4. Calculate the percent by volume of a solution created by adding 75.0 mL of acetic acid to 725 mL…

A: Percent by volume is equal to the volume of acetic acid divided by the volume of solution multiplied…

Q: How many mL of 30% H2O2 solution should be used to prepare a 6% 25 ml H2O2 solution? (d: 1.12g / mL,…

A: Given data,C1=30%C2=6%V2=25mL

Q: ution is formed by dissolving 25.0 g of NaC is the mass of solution? 25.0 g 750.0g 775.0 g

A: Given, Mass of solute (NaCl) = 25.0 g Mass of solvent (H2O ) = 750 g Mass of solution = mass of…

Q: what is the percent by mass of a solution made by dissolving 55.0 g NaCl in 275 g water?

A: Mass of the solution is mass of the solute plus mass of the solvent.

Q: Сос 1 L Concentration (mol/L) ½ L ow many moles is 130 g of COCI2? moles hat is the molarity of a…

A: 1) mass of CoCl2 = 130g Molar mass of CoCl2 = 129.839 g/mol

Q: calculate the mass of an 8% niso4 per mass solution that contains 40 g of niso4.

A:

Q: 5 g of potassium chloride is dissolved in enough water to make 3.6 L of solution. A) What is the…

A: Formula used :- Concentration (C) = number of moles (n)/volume(L)

Q: Q2. 10 g of NaOH is dissolved in 500 mL of water. Calculate the molarity of this solution. (Molar…

A:

Q: The final volume of solution resulting from the addition of 50 ml of ethyl alcohol to 50 ml of water…

A: Given information,    Volume of ethanol = 50 mL    Volume of solution = 96.5 mL    Volume of water =…

Q: A 106.1 mL of an H2SO4 solution contains 2.49 g of H2SO4. Calculate the normality of the solution.…

A: * Volume of Solution = 106.1 ml ( 1 L = 1000 mL) Volume of Solution = 0.1061 L * Mass of Solute…

Q: If we wish to prepare a 0.20 M solution of NaCl, how much water must be added to1.0 mole of NaCl?…

A: Molarity of any solution is given by

Q: A 9.50% by mass solution of acetone (C3H6O) in water has a density of 0.9849 g/mL at 20°C. What che…

A: The given data: The mass % of solution = 9.5 % The density of solution = 0.9849 g/ml To determine =…

Q: 100 90 NANO 80 70 Pb(NO)2 KCI 60 CaC 50 40 NaCl 30 20 KCIO, 10 Ce,(SO 10 20 30 40 50 60 70 80 90 100…

A: Given the graph of solubility of various salts in water on Y-axis and temperature on X-axis. Which…

Q: what volume of solution in liter is required to make a 1.0 M solution by dissolving 42.3 grams of…

A:

Q: To prepare a solution, we dissolve 12.5 mL of ethanol in sufficient water to give a total volume of…

A: Interpretation: The percent-by-volume concentration of 12.5 mL of ethanol in a total volume of 85.4…

Q: Determine the mass/volume percent of a solution made by dissolving: (a) 18.6 g C2H5OH (ethanol) in…

A: Step 1   Given:   The mass of ethanol is 18.6 g. The volume of ethanol solution is 130.6 mL. The…

Q: What mass of AgOH will be needed to prepare 3.0 liters of a 1.40 M solution

A: Given :-  Molarity of AgOH solution = 1.40 mol/L  Volume of solution = 3.0 L  To calculate :-  Mass…

Q: Calculate how many mL of 0.1500 M solution of NaCl is needed to obtain 125.0 g of NaCl? A) 1141 mL…

A: Given: The molarity of solution =0.1500 M Mass of the solute =125.0 g The molar mass of NaCl= 58.44…

Q: A 9.50 % by mass solution of acetone (C3H6O) in water has a density of 0.9849 g/mL at 20°C. What is…

A:

Q: What mass of calcium chloride, CaCl2, in needed to prepare 2.657L of a 1.55 M solution?

A: Given,  Volume of CaCl2 solution = 2.657L Molarity of CaCl2 solution = 1.55 M Mass of calcium…

Q: 1. A solution contains 0.55 moles of solute in 0.85 L. Calculate the molarity of the solution.

A: Given: Number of moles of solute = 0.55 moles Volume of solute = 0.85 L To find: Molarity of the…

Q: Solve the question

A: The molarity is an important method to express the concentration of a solution. The molarity of a…

Q: The density of 85% of H3PO4 by mass is 1.70 g/mL. How to prepare 2.5 L and 0.5 M diluted H3PO4…

A: Given: Density of H3PO4 = 1.70 g/mL Molecular weight of H3PO4 = 97.994 g/mol The concentrated H3PO4…

Q: What is the percent by mass of NaCl in 1.60 M NaCl solution? Assume that the solution has a density…

A: The number of moles of NaCl (n) is calculated in 1 liter (or 1000 mL) of solution using equation (1)…

Q: Calculate the molarity of an aqueous solution that is 20.1% by mass calcium chloride. You might need…

A: Given: solution is 20.1 % by mass let mass of solution be 100 g mass of CaCl2 = 20.1 g mass of…

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: What volume of 37.2%  HCl concentrated Aqueous solution of contains 125 g of HCl? The density of HCl…

A: Given:Concentration of HCl=37.2%Mass of HCl=125 gDensity of HCl=1.19 g/mL

Q: At 20 degrees C , an aqueous solution that is 18.0% by mass in potassium bromide has a density of…

A: