A 400 ml solution of NaOH of Molarity 0.6 M was diluted to double its volume. What will be the New Molarity of the solution? O 0.4M O 0.05 M O 40M O 0.3M

Q: A laboratory stock solution is 1.50 M NaOH. Calculate the volume of this stock solution that would…

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Q: It takes 37.4 mL of 0.212 M NaOH to neutralize 10.0 mL of aqueous H2SO4.  What is the concentration…

A: The reaction taking place between H2SO4 and NaOH is,

Q: Calculate the number of moles of solute present in 270 mL of 1.70 M HNO3(aq)M

A: The ions present in aqueous solution of nitric acid are H+ and NO3-. The number of moles of solute…

Q: What is the concentration of a solution made by diluting 85 mL of 6.0 M HCl to a final volume of 750…

A: Given values are, N1= 6.0 M V1= 85mL V2= 750 mL N2=?

Q: calculate the final concentration:  1.0 L of a 4.0 M HNO3 solution is added to water so that the…

A: The initial volume of HNO3= 1.0 L.The initial molarity of HNO3= 4.0 M. The final volume is 8.0 L

Q: How many Liters of solution do you need if you begin with 20 moles of NaCl and want to make a 5…

A: The molarity of a solution is the number of moles of solute dissolved per liter of solution. It is…

Q: When 20 g of NaOH are dissolved in enough water NaOH 40. g-mol-1 Molar Mass, M to prepare 500 mL of…

A: Molarity is defined as the number of moles per litre of the solution.

Q: The solution’s concentration is ...

A: Given :- mass of NaOH = 40 g  Volume of solution = 500 ml  To calculate :- molar concentration

Q: What is the volume of the 1.0 M NaOH stock solution required to prepare 250 mL of 0.1 M NaOH?

A: Given :  Molarity of NaOH stock solution = 1.0 M  Molarity of NaOH solution required = 0.1 M  Volume…

Q: 40.0 grams of NaOH was dissolved in enough water to yield 500. ml of solution. What is the molarity…

A: Given,  Mass of NaOH = 40.0 g Volume of a solution = 500. mL The molarity of a solution is:

Q: What volume of 12.6 M HCI must be added to enough water to prepare 5.00 liters of * ?3.00 M HCI 1.1L…

A: The given problem can be solved by using the formula given below as; M1 V1 = M2 V2…

Q: If you add 250 ml of water to 250 ml of a 0.8M NaOH solution, what will the molarity of the diluted…

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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: 6. A 1% solution of Bovine Serum Albumin (BSA) is used as a standard in protein analysis. The…

A: % concentration (w/v) = 100 x Mass of solute in gram/Volume of solution in mL   Molar concentration…

Q: The concentration of sodium chloride in blood serum is approximately 0.14 M. What volume of blood…

A: Concentration is 0.14M We know the molar mass of NaCl = 58.44g/mol

Q: What mass of lithium phosphate is needed to prepare 500. mL of a solution having a lithium ion…

A: The number of moles for a given chemical substance are defined as a ratio of its mass to that of…

Q: Hydrogen peroxide solution for hair bleaching is usually prepared mixing 5 grams of hydrogen…

A: Given  Mass of H2O2   = 5 gram  Molecular weight     = 34 gram/mole  Volume of solution   = 100 ml…

Q: A student needs to prepare 50.0 mL of a 0.80 M aqueous H,O, solution. Calculate the volume of 5.1…

A: Number of moles of solute present in 1 liter of solution is known as molarity of the solution.

Q: How much Sr(OH);•8H;0 is needed to prepare 250.0 ml of solution in which (OH'] = 0.100 M? 3.32 g b.…

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Q: 4. Calculate the molarity of NażS2O3 if 41.22 ml is equivalent to 37.84 ml I2 solution, 35.62 ml of…

A: 41.22 ml of Na2S2O3 is equivalent to 37.84 ml I2 solution, 35.62 ml of this l2 solution is…

Q: What volume of each solution contains 0.340 molmol of NaINaI? A. 0.142 MM NaI B. 0.952 MM NaI C.…

A: Molarity: it can be define as the number of moles of solute dissolved in per litre of the solution.…

Q: 1L of a solution of hydrogen peroxide is 15.2% by mass. What is the molarity of th solution? Assume…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: What is the molarity of a solution made by dissolving 4.57 mol NaCl in water to make 1.93L of…

A: Molarity of a solution is given by the number of moles of solute(NaCl here) per unit volume of…

Q: How many grams of solute are present in this solution? 21.5 mL of 7.8 M CH3COOH

A: Given:  Volume of solution = 21.5 ml = 0.0215 L  Molarity of solution, M = 7.8 M

Q: What volume of solution will be produced to prepare a 1.1 M nitric acid solution with 69.2 g of…

A: Given data, Molarity of nitric acid = 1.1 M Mass of nitric acid = 69.2 g

Q: )17.6 g of NaCl is added to water to make 779.5 g of solution. Calculate the mass percent…

A: 1)  Amount of NaCl given m1 = 17.6 g Amount of NaCl solution in water m2 = 779.5 g The mass…

Q: An aqueous solution of NaCl contains 2.4 g NaCl in 80.0 mL solution. Calculate the molarity of the…

A: Given,  Mass of NaCl = 2.4 g  Volume of solution in mL = 80.0 mL  Calculate the molarity of NaCl = ?…

Q: 25.0 mL of 0.212 M NaOH is neutralized by 13.6 mL of an HCl solution. The molarity of the HCl…

A: As both base and acid are monobasic and monoprotic respectively. so moles of acid reacting with…

Q: What is the molarity of a 7.4 % by mass Mg(NO3)2 solution? Assume the density of the solution is 1.0…

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Q: A laboratory stock solution is 1.50 M NAOH. Calculate the volume of this stock solution that would…

A:

Q: Calculate the molarity of a solution made by dissolving 1.834 g of sodium hydroxide in enough water…

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Q: If you add 250 ml of water to 250 ml of a 1.4M NaOH solution, what will the molarity of the diluted…

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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: 8.859kg of Al2(CO3)3 is to make a 5896mL aqueous solution. How much water must be added to the…

A: Molarity = Number of moles of solute/Volume of solvent in L Number of moles = Mass in gram/Molar…

Q: A 400 ml solution of NaOH of Molarity 0.6 M was diluted to double its volume. What will be the New…

A: The volume of NaOH solution is = 400 mL The molarity of the solution is = 0.6 M The volume of the…

Q: What is the concentration of a solution made by diluting 95 mL of 6.0 M HCl to a final volume of 750…

A:

Q: You are given a solution of chlorophyll that contains 132mg chlorophyll (a chemical formula of…

A: Molarity of chlorophyll solution can be calculated as follows

Q: A solution has the mass% of 12.0% NaOH(aq).  Calculate the molarity of NaOH(aq). NaOH = 40.00…

A: Recall the data, mass % of NaOH =12.0% MM of NaOH = 40.00 g/mole Density of solution = 1.20 g/ mL…

Q: Calculate the molarity of a solution that contains 80. grams of NaOH in 2.0 L of solution. Na = 23…

A: Molarity= moles  Of solute/Volume  of solution  in litre Given 80 gram NaOH Volume  2 litre.

Q: 14. 25.0 grams of NaCl are dissolved in 75.0 grams of water in a 2.0 L container. a) What is the…

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Q: What is the Molarity of a solution containing 200 grams of NAOH in a 2.5 Liter Solution ? O2…

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Q: A 5.623 g sample of NaHCO3 is dissolved in enough water to make 250.0 mL of solution. Calculate the…

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Q: Concentrated phosphoric acid is 90% H3PO4 by mass and the remaining mass is water. The molarity of…

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Q: What is the concentration of a solution made by diluting 15 mL of 6.0 M HCl to a final volume of 750…

A: Given, Initial concentration of HCl solution, C1 = 6.0 M Initial volume of HCl solution, V1 = 15 mL…

Q: Calculate the mass of HCI needed to prepare 1.50 L of a 0.200 M solution

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Q: Calculate the molarity of the resulting solution if enough water is added to 50.0 mL of 4.20 M NaCl…

A: Given that,  Molarity of conc. NaCl solution M1 = 4.20 M Volume of conc. NaCl solution V1 = 50.0 mL…

Q: What volume (mL) of a 10.5 M solution of sodium hydorxide (NaOH) must be diluted to prepare a 200.…

A: The solution is given below.

Q: What mass of sodium hydroxide is needed to make 100.0 mL of a 1.25 M NaOH solution? The molar mass…

A: 1.25 M means there will be 1.25 moles in 1 liter of water. The molar mass of NaOH = 40gmol-1

Q: A solution is prepared by dissolving 5.21 g of ammonium sulfate in enough water to make 100.0 ml of…

A: Given : Mass of ammonium sulfate i.e (NH4)2SO4 = 5.21 g And volume of solution = 100.0 mL = 0.100 L…

Q: Consider a O.855 M solution of LICI (molar mass = 42.39 g/mol). How many moles of LICI are in 62.1…

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