7. How many milliliters of 13.1 M H,SO, are needed to la. 0.22 mL prepare 600.0 mL of 0.10 M H,SO,? e. 5.6 mL b. 79 mL c. 4.6 mL d. 2.3 mL

Q: What volume (in L) of 3.50 mol/L sulphuric acid solution is needed to make 100.0 mL of 0.450 mol/L…

A: Given, For Concentrated sulfuric acid solution: Concentration of sulphuric acid solution (M1) = 3.50…

Q: Concentration of DDT (molar mass= 354.49 g/mol) in groundwater sample is found to be 0.030 mg/250.0…

A: We have to predict the concentration in mmol/L.

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: A solution was prepared by dissolving 0.403 g of potassium dichromate, K2Cr2O7 (MM=294.18 g/mol) in…

A:

Q: A chemist wants to make 5.5 L of a 0.300 M CaCl, solution. What mass of CaCl, (in g) should the…

A: Molarity (M) is the unit of concentration of a solution, and its unit is mol/Lmol/L. It is defined…

Q: How many milliliters of 11.9 M hydrochloric acid solution should be used to prepare 2.50 L of 0.400…

A: Writing the given data M1 = 11.9 M V1 = ? M2 = 0.400 M V2 = 2.5 L = 2500 mL

Q: A type of solutions that contains the maximum amount of solute that is capable of being dissolved is…

A: The amount of solute present in a one-liter solution is known as solubility. The solubility of a…

Q: Using the concentration measured and the volume of solution on your screen: Concentration: 0.300…

A: known: Concentration: 0.300 mol/L Original Volume: 0.5 L unknown: mass of Nicl2 ? concentration of…

Q: 5. How many grams of potassium sulfate would be recovered by evaporating 623 mL of 22.5 % potassium…

A: Mass = Volume x density %Mass = 100 x Mass of solute/Mass of solution Number of moles = Molarity x…

Q: A solution containing 40.0 mL of ethanol and 25.0 mL of water. solvent solute Answer Bank water…

A: Given that :-    1)  40.0 mL of ethanol and 25.0 mL of water   2)  6 g of AgNO3  and  15 mL of water

Q: A KNO3 solution is made using 92.4 g of KNO3 and diluting to a total solution volume of 1.80 L.…

A:

Q: Find the normality of sodium carbonate (molar mass = 106 g/mol) in a solution containing 0.212 g…

A: Given volume is 100 ml and mass of sodium carbonate is 0.212 g

Q: Q3. What volume of 8 M sulfuric acid must be used to prepare 1.5 Lof a 0.10 M H,So, solution? A.…

A:

Q: How many ml of 1.5 M KMNO4 are required to make 1.50 L of 0.005 M ?

A: Molarity of stock solution (KMnO4) = 1.5 M  Final volume of solution = 1.50 L  Final Molarity of…

Q: 6. 100.0 mL of a silver nitrate solution is added to 98.75 g of a water sample. The density of this…

A: Number of Mole- Ratio of given mass of substance to the molar mass of substance is called number of…

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: what the concentration of NaCl in the original solution?

A: Given :- mass of NaCl = 0.505 g              Initial volume of solution = 75.0 mL   To calculate :-…

Q: A chemist must dilute 40.2mL of 1.26M aqueous sodium carbonate (Na2CO3) solution until the…

A: A solution is a homogeneous mixture of solute and solvent. its concentration is defined as amount of…

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: 1. Prepare 100 ml of 0.2 N NAOH? (atomic mass: Na=23, O=16, H=1) 2. What is the normality of a 500ml…

A:

Q: 35. How many grams of ammonium chloride (molar mass = 53.5g/mol) are contained in 0.500 L of a 2.00…

A:

Q: 13.58 An automobile antifreeze mixture is made by mixing equal volumes of ethylene glycol (d = 1.114…

A:

Q: 3.88g of NaOH is required to neutralize a spill of hydrochloric acid. A 0.516M solution of NaOH is…

A: Given data is as follows: The mass of the NaOH = 3.88 g The molarity of the NaOH solution = 0.516…

Q: Mass of the reaction solution, msoln (g) Add together the masses of the NaOH(s), water(100ml) , and…

A: Given that -  Mass of NaOH = 4.0574 g  Initial temperature = 25°C  Final temperature = 37.14°C…

Q: A solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water. If the density of the…

A:

Q: 1. A blood serum sample is analyzed and found to contain 102.5 ug Ca2*/mL serum: The density of the…

A:

Q: D 2.3 x 10 mol/dm 3 25.0 cm of 0.100 mol/dm³ aqueous sodium hydroxide is neutralised by 24.6 cm° of…

A: 1 dm3 = 1000 cm3.   25.0 cm3 0.100 mol/dm3 NaOH solution contains (25/1000)×0.100 = 0.0025 mol NaOH.…

Q: This image shows that the initial volume of a sodium phosphate solution was 357 mL, with a molarity…

A: ⁹

Q: A chemist samples a river's water to measure the amount of fertilizer runoff from the area farms. In…

A: Given , mass of Nitrate (solute) = 562 microgram  = 562 X 10-6 gram (As , 1 microgram = 10-6 gram)…

Q: 1. When you arrive at the lab, 2.0 M H2SO4(aq) and 2.0 M HC2H3O2(aq) will be present. You will need…

A: Since you have posted multiple questions, according to guidelines I am solving first one.If you want…

Q: lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample…

A: The density of any substance or liquid is calculated by the formula: d=mV Where, m is the mass of…

Q: Zinc dissolves in hydrochloric acid to yield hydrogen gas as follows: Zn(s) + 2HCI( aq) ZnCl2( aq) +…

A: From the above data,  mass of Zn = 3.75 g Concentration of HCl = 1.30 M The volume of HCl = 500 ml =…

Q: In the laboratory you are asked to make a 0.350 m aluminum nitrate solution using 18.1 grams of…

A: Molality of aluminium nitrate = 0.35 m Mass of aluminium nitrate = 18.1 g Number of moles of…

Q: A 1185 mL sample of drinking water was found to contain 20.5 mg of lead. Calculate the concentration…

A: Given: Volume of water sample=1185 mL=1.185 L Mass of lead=20.5 mg

Q: Calculate the maximum volume in mL of 0.15 M HCI that a tablet containing 343 mg Al(OH)3 and 489 mg…

A: Given the molarity of HCl titrated = 0.15 M or 0.15 mol/L Al(OH)3 is triacidic base and Mg(OH)2 is a…

Q: (29)If 25.0 mL of urine has a mass Of of solute, and contains l,99 whatis thé mass mass percent…

A: Given: Volume of urine (solution) = 25 mL Mass of urine (solution) = 25.725 g Mass of solute = 1.929…

Q: Lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample…

A: Percent mass of a solute is related to mass of a solution as shown below:

Q: A student dissolves 0.888 grams of a solute into water. The volume of the solution is 10.55 mL. What…

A:

Q: A student dilutes 245 mL of a 1.50 mol/L solution. The final volume is 558 mL. What is the final…

A: Given information is as follows: The initial concentration of the solution M1= 1.50 mol/L The…

Q: you are asked to make 1.00 L of a 0.500 M solution of potassium chloride starting with a stock…

A: Given is, N1= 3.00 M V1=?? N2= 0.500 M V2= 1.00L

Q: A solution is made with 14.97 g of the sugar Laneyalos in a 50 mL volumetric flask of mass 30.43. If…

A: Given: mass of sugar Laneyalos = 14.97 g Combined mass = 82.67 g

Q: What volume of water must be added to 742 mL of a 4.5 M HCI to diluted it to 0.8 M? 4.25 L 1.65 L…

A:

Q: Q3 What volume of 8 M sulfuric acid must be used to prepare 15L of a 0 20 M H,SO, solution? A 375 ml…

A: We know that concentration decreases upon dilution.So we can apply dilution law

Q: 24.71 cm (24.71 m) of this solution is delivered from a buret, what amount of HCI has been…

A: Molarity is defined as the ratio of the number of moles of solute to the volume of solution in…

Q: You have a 2.00 M solution of sucrose and need to use it to make 1.0 L of a 0.500 M solution of…

A: Given conditions areOriginal Molarity of the sucrose solution= 2.0MNew molarity of the sucrose…

Q: rue/False dicate whether the statement is true or false. Write T if the statement is true while F if…

A: 16. When the sample requirement is large  it is actually imposible to work with it without prior…

Q: . A 4.00 g sample of KCl is added to 10.0 mL flask, which is then filled to the calibration mark…

A:

Q: You have a 2.00 M solution of sucrose and need to use it make 1.0 L a 0.500 M solution of sucrose.…

A: The volume of sucrose needed to be taken is determined by considering the formula M1V1 = M2V2.

Q: What volume of 40% w/w HCI (36.5) density 1.198 m/ml must be diluted with water to obtan excatly 250…

A: To get 250 mL of 1.0 F concentration of HCl we need to calculate stock formula concentration of HCl.

Q: A type of solution that contains the maximum amount of solute that is capable of being dissolved is…

A: A type of solution that contains the maximum amount of solute that is capable of being dissolved is…