4. The density of 20.0% NaOH (by weight) is 1.22 g/mL. What is the molarity of 20% NaOH?

Q: 4.113 An aqueuos solution contains 6.00% (by mass) NaBr (sodium bromide). The density of the…

A: Given : Mass of NaBr = 6% by mass or 6g Mass of solution = 100g Density of solution(d) = 1.046 g/cm3…

Q: A student weighs out a 1.75 g sample of NaCl, transfers it to a 250. mL volumetric flask, adds…

A:

Q: The concentration of Mg2* in a sample of coastal seawater is 1.08 g/kg. What is the molar…

A: concentration of Mg2+ = 1.08 g / kg 1.08 g/Kg means 1.08 g of Mg2+ in 1 Kg ( = 1000 g) Molar mass of…

Q: A student is to prepare a 250.-ml solution of 1.0 M glucose (CHOs, 180.16 g/mol). How many grams of…

A: When a solute is dissolved in a solvent, we get a solution. Molarity is the number of moles of…

Q: 40.00 mL of 1.50 M acid is added to 100.00 mL of water, what is the final concentration (molarity)?…

A: To find: Concentration of acid when 40.00 mL of 1.50 M acid is added to 100.00 mL of water.

Q: What is the molarity of the new NaOH solution?

A: Initial no. Of moles of NaOH = 6×7 = 42mmoles  New volume, = 400mL  Hence Molarity = no. Of…

Q: A student weighs out 8.68 g sample of MnI2,transfer it to a 125mL volumetric flask,adds enough water…

A: Molarity is defined as no of moles of solute devided by volume of solution in liter.

Q: What is the concentration, in M , of a solution prepared from 73.8 g NaCl dissolved in a total…

A:

Q: What is the concentration, in molarity, of each solution? a) 8.7 g of CaBr2 in 250 mL of solution…

A: Molarity of a solution can be calculated by dividing the number of moles of solute by the volume of…

Q: How many moles of hydrochloric acid (HCl) are

A: no.of moles f solute per 1 litre solution is molarity (M)  M = n / V(in L)   n = M x V(in L)     HCl…

Q: A solution of sodium hydroxide has a SG of 1.14 and contains 32.8% sodium hydroxide by mass. If 40.0…

A: Specific gravity of solution = 1.14 Thus the density of solution will be 1.14 g/mL Mass % of NaOH =…

Q: What is the molar concentration of a solution prepared by adding 5.7 mL water to 24.1 mL of a 0.811…

A:

Q: Calculate the molarity of the two solutions. The first solution contains  0.550 mol  of  NaOH  in…

A:

Q: Calculate the molarity of the two solutions. The first solution contains 0.400 mol of NaOH in 2.80 L…

A: 1) molarity  = moles of solute / volume of solution in L Since volume of solution in L = 2.8 L And…

Q: The 1250 mL bottle of Lindeman's Shiraz wine in my kitchen is 10.75 % ethanol by volume. The density…

A:

Q: How many grams of KOH are needed to make 510. mL of a solution that is 0.540 M? A) 0.341 g B) 6.82 g…

A: We know that,. Molarity is the number of moles of solute dissolve in one litre of solution. So,

Q: If 0.151 moles of NaCl are dissolved in a 250.0 mL solution, what is the concentration of the NaCl…

A: Molarity ( M ) :-  It is one of the method to express concentration of solution . It is defined as…

Q: When 234 mL of water are added to 11.9 mL of 16 M HCI, what will be the new molarity? i M HCI

A: Given: Volume=11.9 mL=11.9×10-3 LMolarity=16 MVolume added=234 mL=234×10-3 L To find: Final molarity…

Q: What is the molarity of a 6.00% by mass hydrochloric acid solution? The density of the solution is…

A: Given, Density of solution = 1.0279 g/mL  Molar mass of HCl = 36.45 g/mol  Molarity = ?

Q: A solution of NaOH is 95% by mass and has a density of 1.2 g/ml. How many mL of water should be…

A: Given data is as follows: The mass of NaOH = 95 g in 100 g of solution ( 95% by mass ) Density of…

Q: If 350. mL of a 0.255 M zinc chloride solution is diluted to a volume of 785 mL, what is the…

A: "Since there are multiple  questions and it is not mentioned that which one has to be solved so I am…

Q: What is the molarity of a 500-mL of ethanol containing 1.00 g of ethanol?

A: Molarity is defined as the moles of solute in one Liter of the solution.

Q: For the solution, 11.7 g KC1 in 800.0 mL solution, what is the molarity (M) of the solution? 14.6 M…

A: Mass of KCl=11.7 g  The molar mass of KCl=74.5513 g/mol Volume of the solution=800 mL = 800 /1000…

Q: 10. A solution is made by dissolving 17.8 g of magnesium sulfite, MgSO3, in enough water to make…

A: Mass of MgSO3 = 17.8 g  Volume of solution = 100 ml  Concentration (Molarity) of the solution (in…

Q: A 22.7-g sample of HF is dissolved in enough water to give 2.0 × 102 mL of solution.  What is the…

A: Given: weight of HF=22.7gvolume of solution = 2.0×102mlconcentration of a solution is defined as…

Q: A 125 mL sample of a 14.0 M solution is diluted to 500 mL.  What is the concentration (molarity) of…

A: 1)  Solution 1 : Concentrated solution Concentration of the solution (M1) = 14.0 M  Volume of the…

Q: A solution of isobutyl rubbing alcohol (C4H100) contains 40.0 mL of isobutyl alcohol and 60.0 mL of…

A: Molarity can be defined as the number of moles of solute present in one liter of solution.  Its unit…

Q: If you add 250 ml of water to 250 ml of a 0.5M NaOH solution, what will the molarity of the diluted…

A:

Q: In the laboratory a student combines 20.5 mL of a 0.177 M sodium phosphate solution with 12.7 mL of…

A:

Q: 1. What is the molarity of a solution in which 85.5 g NaCl is dissolved in 1.5 L of water? 2. What…

A:

Q: A solution containing 150 grams of CaCl2 (110.98 g/mol) is dissolved in 1.00 L of water. what is…

A: Given data: Mass of CaCl2 = 150 g, Molar mass of CaCl2 = 110.98 g/mol, Volume of water = 1.0 L…

Q: A solute concentration is 3.74% (m/m). What would this concentration be in ug solute per mg of…

A: It is given that the concentration of solute in the solution is 3.74% (m/m) Now, the mass percentage…

Q: what is the molarity of a solution when 2.25 g NaF is dissolved in enough water to make 25.0 ML of…

A:

Q: The density of a solution that is 20.0% HClO4 is 1.138 g/ml. Calclulate the molarity of the HClO4…

A: Molarity = Moles of soluteVolume of the solution in L

Q: How many grams of solute are present in this solution? 21.5 mL of 7.8 M CH3COOH AW: C=12, H=1,…

A: We have to calculate mass of solute.

Q: According to the label on a bottle of concentrated hydrochloric acid, the contents are 36.0% HCl by…

A: Given,Density of solution = 1.18 g/mLAnd the contents are 36.0% HCl by mass.Therefore, it means that…

Q: What is the molarity when 41.5 g Glucose (C6H12O6) is dissolved in 252 mL Water?

A: Given: Volume of water = 252 mL = 0.252 L                                             (Since 1 L =…

Q: What dissolved species are present in a solution of(a) KCN?(b) NaClO4?

A: a) The reaction that takes place when KCN dissolved in water is shown below, KCN (aq)----->…

Q: A 501-mL sample of a 0.184-M CaCl2  solution is left on a hot plate overnight; the following…

A: Given: Initial volume of sample=501 mLInitial molarity of sample=0.184 MFinal molarity of…

Q: A 1.330 g sample of oxalic acid, H2 C204, is placed in a 100.0-mL volumetric flask, which is then…

A:

Q: What is the molar concentration of a solution consisting of 0.173 g NaCl in 500. mL?

A: Weight of NaCl= 0.173g Volume=500mL =0.500 L       (1L = 1000 ml) Molar concentration=?

Q: Calculate the molarity of the two solutions. The first solution contains 0.200 mol of NaOH in 2.05 L…

A: Molarity is the no of moles of the compound present in one liter of solvent .

Q: mass of hydrogen bromide is found in 350 mL of a 0.870 M aqueous hydrogen bromide chloride solution?…

A: Given, Volume = 350 mL  Molar mass of HBr = 80.91 g/mol Mass of HBr = ?

Q: A solution of hydrogen peroxide is 30.0% H2O2 by mass and has a density of 1.11 g/mL. What is the…

A: Given: ℅w/w of H2O2 = 30℅ Density = 1.11 g/mL Standard data: The molar mass of H2O2 = 34.0147…

Q: 1. 10 moles of hydrochloric acid, HCl, is contained in 2.0 Liters (2.0 L) of water. What is the…

A: Given :  No.of moles of HCl = 10 mol  Volume of water =  2.0 L  To calculate :  Molarity of solution…

Q: A 50.0-mL volume of AgNO3 solution contains 0.0345 moles AgNO3. What is the molarity of the…

A: Molarity (M) is the amount of a substance in a certain volume of solution. Molarity is defined as…

Q: If 0.166 moles of NaCl are dissolved in a 250.0 mL solution, what is the concentration of the NaCl…

A: No. of moles of NaCl = 0.166 Volume of solution = 250 ml Now we have to apply the concentration…

Q: A student weighs out a 3.62 g sample of NaCH3COO , transfers it to a 300. mL volumetric flask, adds…

A: Given : Mass of NaCH3COO i.e sodium acetate = 3.62 g And volume of solution = 300 mL = 0.300 L…