Water is added to 0.20 L of a 61 MNa solution to make 211 of a diluted NaF solution Express your answer to two significant figures and include the appropriate units,

Q: Find the milliters of 0.250 M KOH needed to neutralize 135.0mL of 0.856 M H3 PO4. Write and balance…

A: Given: KOH solution: Concentration of KOH solution = 0.250 M = 0.250 mol/L Volume of KOH solution =…

Q: A chemist must prepare 0.525L of 9.00 M aqueous silver nitrate (AgNO,) working solution. She'll do…

A: Generally we prepare working solution from stock solution by dilution ( distilled water ) so, we…

Q: How many microliters of original sample are required to produce a final dilution of 102 in a total…

A: according to Dilution law initial = final  M1V1 = M2V2  final dilution = M2 / M1 =10-2  (given)…

Q: Calculate the concentration of a solution made by diluting 46.0 mL of 5.5 M HBr to a final volume of…

A: Dilution of the solution: On dilution of the solution with the pure water, the mole of solute…

Q: Use floating decimal in your solutions but express all final answers to four (4) decimal places and…

A:

Q: If 100.0 mL of a 3.00 M HCl stock solution are diluted with water to a final volume of 4.00 L, what…

A: Calculate the number of moles of HCl. The molar mass of HCl is 36.5 g/mol.

Q: If 0.8010 g  of sodium oxalate, Na2C2O4, requiresof a 22.96 mL  KMnO4 solution to reach the end…

A: Reaction between sodium oxalate and potassium permanganate is shown below:

Q: How many milliliters of 4.291 M NaOH solution are needed to reach the equivalence point with 128.4…

A:

Q: student was given a solution of unknown molarity of Potassium Hydroxide (KOH). On the lab bench the…

A: STEP 1: Following are few important properties of standard solution- Its concentration must remain…

Q: 0.900 L of solution contains 0.013 moles of NHANO3. Calculate the molarity of the solution. In the…

A: The molarity, MNH4NO3, of the solution is calculated as shown below where V is the volume of the…

Q: How many grams of NaCl do you need to make a 125 mL of a 1.20 M solution? Place final answer in the…

A: Dear student since you have asked multiple questions but according to guidelines we will solve 1st…

Q: Vitamin C, ascorbic acid, is an essential nutrient that helps the immune system fight off diseases.…

A: Given,

Q: Your protocol calls for a 0.15MM NaCl solution. How would you dilute your 3M NaCl solution to 0.15M…

A: 11) The total volume of the solution is 500μL(0.0005L) The concentration of the solution is 3M. We…

Q: Describe how you would make 200.0mL of a 0.400 M NaOH solution from 12.0 M stock NaOH solution.…

A: Given information: Final volume of NaOH solution (V2) = 200. 0 mL Final concentration of NaOH…

Q: Consider the following reaction: Pb(NO3)2 (aq) + 2N2CI (aq) --> PbCl2 (s) + 2NANO3 (aq) How many mL…

A: According to the balanced equation : Pb (NO3) 2 + 2 NaCl --> PbCl2 + 2 NaNO3 We can say that, 2…

Q: How many mliliter of 18.0 M H,SO, must be added to give a solution of 5.00 M H,SO, and final volume…

A: M1V1 = M2V2

Q: 37.0 g of KOH from a 30.0 %(m/m) KOH solution Express your answer to three significant figures and…

A: The mass percent (% m/m) represents the concentration of solution, which is calculated as follows,…

Q: Calculate the Molarity of a solution when 6.1 grams f hydrochloric acid in 32.9 mL of solution.…

A: Molarity is defined as number of moles of solute divide by volume of solution

Q: What is the dilution factor when 100 ul is added to a final volume of 5ml?

A: Since the units of initial volume is given ul instead of µl. Hence I'm assuming it to be µl i.e…

Q: Assuming the density of a 5% acetic acid by mass solution is 1.0 g/mL, determine the volume of the…

A: Given,Density = 5%,Mass = 1.0 g/ mlNaOH is 25 ml of 0.1 M5 g of acetic acid in 100 ml of solution.

Q: What mass of sodium chloride would need to be added to the blood to bring the sodium ion…

A: Given : Initial concentration of sodium ion in blood = 0.118 M Volume of blood = 5.0 L And final…

Q: Suppose 23.8 g of sodium iodide is dissolved in 350. mL of a 0.80 M aqueous solution of silver…

A:

Q: 28.0 mL of a 0.554 M solution of NaOH(ag) is diluted to a final volume of 42.0 mL. What is the…

A:

Q: You dissolved 3g of dextrose (C6H1206) in 6L of water (Mr(C6H12O6) = 180.156). What is the molar…

A: Given,  Mass of dextrose (C6H12O6) = 3 g  Molar mass of dextrose = 180.156 g/mol  Volume of solution…

Q: A solution of dispersant is made by taking 15.0 mL15.0 mL of a 50.0 mg⋅mL−150.0 mg⋅mL−1 solution of…

A:

Q: The concentration of lead in an industrial waste stream is 0.28ppm. What is its molar concentration…

A: We know , 1 ppm = mass of Solute in gram/Volume of Solution (in mL) We have 0.28 ppm of lead…

Q: Commercial perchloric acid is an aqueous solution containing 70% by mass HCIO, (100.46 g mol") and…

A: Mass percentage or percentage by weight is one of the concentration terms that indicates the mass of…

Q: Suppose 32.4g of zinc acetate is dissolved in 350.mL of a 0.70 M aqueous solution of ammonium…

A:

Q: 3NaOH= H3PO4----> Na3PO4+ 3H20 A 41.0ml sample of NaOH solution of unknown concentration requires…

A: Given, 24.3 mL of 0.150M  H3PO4 no. Of moles of H3PO4= 0.0243 L × 0.150M No. of moles of H3PO4 =…

Q: A 23.74-mL volume of 0.0981 M NaOH was used to titrate 25.0 mL of a weak monoprotic acid solution to…

A: Since , the acid is monoprotic then we can use this formula                          M1V1 = M2V2  to…

Q: 0.4800 grams of a mixture that is 80.0% by mass sodium carbonate and 20.0% by mass sodium hydroxide…

A:

Q: Calculate the volume in milliliters of 15 % (m/v) NaF solution that contains 2.5 g of NaF. Express…

A:

Q: Calculate the molarity of a solution made by adding 54.1 g of NaNO3 to a flask and dissolving with…

A:

Q: Calculate the concentration of the chemist's working solution.

A: Given :- Initial concentration of solution =18.8μmol/L  Initial volume of solution = 20.0 mL  Final…

Q: Calculate the concentration of a solution made by diluting 40.040.0 mL of 4.34.3 M HBrHBr to a final…

A: In this question, we want to determine the Concentration of Diluted Solution of HBr.  You can see…

Q: How many liters of a 5 M NaOH stock solution would you need to make 692 mL of a 622 mM NaOH…

A: When the given stock solution is diluted to form a new solution with a new concentration, it still…

Q: Suppose 21.4 g of barium acetate is dissolved in 200. mL of a 0.60 M aqueous solution of sodium…

A: Given: mass of barium acetate i.e. Ba(CH3COO)2 = 21.4 g And volume of solution = 200 mL = 0.200 L…

Q: What volume of 0.236 M sugar solution can be prepared from 62.4 mL of 0.471, in scientific notation

A: The number of volume of 0.236 M sugar solution can be prepared from 62.4 mL of 0.471M has to be…

Q: What volume of 0.34 M HCI solution can be made by diluting 280 mL of 7 M HCI? No decimal places in…

A:

Q: Calculate the molarity of the solution when 804.0 mL of solution contains 0.0900 moles of HCI. In…

A: Concentrated Reagents Density Molarity(M) Normality(N) Volume (mL)required tomake 1000…

Q: A buret is used to measure the volume of FeClą aqueous solution. The starting volume is recorded to…

A: Given, Aqueous solution = FeCl3 Starting volume , Vi= 5.28 mL Ending volume, Vf=17.44 mL

Q: A solution in which [H+] is 1000 times greater than [OH-]. Express the molarity to two significant…

A:

Q: What is the weight (in grams) to prepare a 350 mL of 0.047 M solution? * (Encode the complete…

A:

Q: 20.00 mL of solution contains 0.010 moles of NaOH. Calculate the molarity of the solution. In the…

A:

Q: What is the volume in liters that is needed to create a 2.0 M solution with 4.9 moles of Zn(NO3)2?…

A: Given data, Molarity = 2.0 M Number of moles = 4.9 mol To calculate the volume in liters.

Q: Concentrated hydrochloric acid is about 12.1 M. What volume of concentrated HCl is required to…

A:

Q: What volume of 7.28M phosphoric acid solution should be used to make 0.716L of 3.15M phosphoric acid…

A: Given Molarity (M1)  = 7.28 M Molarity (M2) = 3.15 M Volume (V2) = 0.716 L

Q: How many milliliters of 11.5 M HCI(aq) are needed to prepare 255.0 mL of 1.00 M HCI(aq)? V = mL -…

A:

Q: How many mL of 6.00 M HCl solution is needed to make 25.0 mL of 3.00 M HCl solution?  Answer in mL…

A: The stock solution and the solution after dilution contain same number of moles of solute. M1V1=M2V2

Q: Calculate the molarity of the solution when 0.030 moles of NaOH is contained within 5.9 L of…

A: Molarity of a solution can be determined by dividing the number of moles of solute by the total…