If 10.0 mL of H2SO4 (sp. Gr. 1.50, containing 48.7% of combined SO3 by weight) is diluted to 400 mL, what is the normality of the solution as an acid? (b) What volume of 6.00 M H2SO4 should be added to this in order to make the resulting mixture 1.00N as an acid? FW's : H2SC4 = 98; SO3 = 80

Q: What is the concentration of a 62.0 % (w/w) concentrated nitric acid (HNO3, Mr = 63.0 g/mol)…

A: Given: % (w/w) of HNO3 = 62.0 % Density of solution = 1.32 g/cm3 = 1.32 g/mL…

Q: The molar ratio of lead(II) hydroxide to water from the reaction below is 2:1 Pb(OH), + 2HCI - 2H,0…

A: • The given balanced chemical equation is,           Pb(OH)2 + 2HCl → 2H2O + PbCl2    • The given…

Q: A pipet is used to transfer 3.00 mL of a 2.00 M stock solution in flask “S” to a 25.00-mL…

A: From the statement, it is given that Molarity of stock solution, M1= 2.00 M Let, Molarity of…

Q: What is the molar concentration of HNO3 (63.0 g/mol) in a solution that has a specific gravity of…

A: Given that, Molar mass of HNO3 = ( 63.0 g/mol) Specific gravity = 1.15  And 65% (%w/w) of HNO3…

Q: 11. Consider a blend of mass 4g formed from 2.2 g of C12H24 and 2.8g of C998H1000 paraffin's:, What…

A: Mn means number average molecular weight. Mw means weight average molecular weight. 2nd molecule’s…

Q: A pipet is used to transfer 6.00 mLmL  of a 3.75 MM  stock solution in flask “S” to a 25.00-mL…

A: The number of moles of compound in 25.00 mL flask “A” is; 1000 mL=1 Ln=3.75 M×6.00 mL1000…

Q: What mass in grams of Na2S2O3 is needed to dissolve 6.3 g of AgBr in a 1.0 L solution if Ksp for…

A:

Q: Q: Solution of 396g of Zn(OH)2 has normality [ 4.8 eqv.\L] added to 1330ml water. What is the Vol.%?…

A: given:mass of Zn(OH)2=396gnormality =4.8 eqN/Lvolume of water = 1330 mlTo…

Q: Before investigating the scene, the technician must dilute the luminol solution to a concentration…

A:

Q: A town requiring 20 m3/s drinking water has two sources, a local well with 60 g/m3 nitrate and a…

A: Drinking water requirement in town=20m3/s or 20 m3 of water per second nitrate in local well =60g/m3…

Q: What is the Oxygen saturation in water with a salinity of 10,000 mg/L at 15 °C ? Use water density…

A: given : salinity = 10000 mg/L at 15°C density of water = 1000 kg/m3 degree of saturation = dissolved…

Q: What is the equivalent weight of H2SO4?

A:

Q: A group of students was tasked with synthesizing dibenzalacetone (DBA) in the lab. They used acetone…

A: A question  based on general chemistry that is to be accomplished.

Q: (a) Calculatethe concentration of mercury: (i)in g/L (microgram per liter), and (ii) in mol/L.(b)If…

A: a) Part per billion (ppb) concentration defines the microgram of solute dissolved in 1 L solvent. 1…

Q: Suppose your topsoil has a cation-exchage capacity of 20 cm(+)/kg soil and a bulk density of 1.41…

A: CEC = 20.3 cmol(+)/kg Bulk density = 1.41 g/cm3,

Q: 3What

A: In order to determine the ratio strength, let us first calculate the amount of benzalkonium chloride…

Q: d 630 mL of 2.90% (w/v) aqueous CuSO4 from a 0.385 M CuSO4 solution. Take mL of the 0.385 M CuSO4…

A:

Q: 19 g of unknown organic sample was dissolve in 640 mL of Dicloromethane (DCM). The boiling point of…

A:

Q: What is the density of 47.0 wt% aqueous NaOH (FM 40.00) if 17.6 mL of the solution diluted to 1.80 L…

A: Here we have,47.0 wt% (0.47%) aqueous NaOH (FM 40.00) [47 g NaOH in 100 ml water]Volume of NaOH…

Q: How much volume of ethanol to be used in each of the following situations: (Ethanol, 99.0 % v/v…

A: Percentage purity of ethanol = 99.0 % Density of ethanol = 0.789 g/mL…

Q: Stearic acid (C18H 3,02) is a typical fatty acid, a molecule with a long hydrocarbon chain and an…

A:

Q: Which two statements are correct? a) The normality of the K2Cr2O7 solution is 0.41 N b) The…

A: When dichromate ion in acidic medium, treated with ferrous ion, then Ferric ion and chromium (III)…

Q: 315mL of water was added to 2100 mL of 19M NaCl solution. What is the new concentration of the…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: 1. What is the mass concentration of water vapor (g H2O per m3 of air) in a liquid-water doud at a…

A: Given,

Q: 1-10. The table shows fuel efficiency for several automobiles CO2 emission (g CO2/km) Fuel…

A: (a)The number of miles in 1 km is 0.621371miles.

Q: When a Vitamin C (ascorbic acid; MM = 176.12 g mol-1) tablet is crushed, dissolved and titrated with…

A: we will establish the stoichiometric relation between the reactant and product

Q: Prepared 1 M of NaCl solution in volume 100 ml, Mwt is 58.5? O 0.585 gm. O 5.85 gm. O 58.5 gm.

A: Number of moles is calculated by dividing the given mass with molecular mass.

Q: 1-4 ture @ 26.1°C, 24.6g of camphor (LiothG0), a nunvolatile solid, is dissohved in The of benzene…

A:

Q: If ethanol (S.G. = 0.790) were used rather than water in measuring the density of the irregular…

A: Density measures the mass of any given substance per unit volume of that substance. Mathematically,…

Q: When balancing Pb0,t Hg lacid sdution, the correct answeeris Pbo,+4H" + A True B False q a+ Pb² in…

A: A balanced chemical equation is the one having equal number of atoms on both sides as well as equal…

Q: M = wt (g) 1000 M. wt (B v (mL) mol 0.250 M: wt (g) 1000 58.4 () 1 (mL) wt (g) 0.0146 B mL %3D…

A:

Q: A 40 yo female suffering from anemia was prescribed ferrous sulfate (FESO, 7H20), to be taken one…

A: The required volume of syrup to be prepared = 8 fluid ounces. 1 fluid ounce = 6 teaspoon Total…

Q: A Hospital pharmacist wants to use three lots ZnO ointment containing repectively 50%, 20% and 5%…

A:

Q: Toxic Cr(VI) can be precipitated from an aqueous solution by bubbling SO2 through the solution. How…

A:

Q: BN

A: Ratio in molar mass = ( molar mass of I2 / molar mass of Br2 )  Ratio in Molar mass = ( 126gmol-1 /…

Q: 6.30 L of 0.262 M NaOH from the concentrated commercial reagent [50% NaOH (w/w), sp gr 1.525]. Take…

A:

Q: The mass of the original mixture was 2.03g. The combined mass of the salt and the evaporating dish…

A: Mass of original mixture = 2.03 g Mass of salt = Combined mass of salt and dish - tare mass of dish…

Q: A pipet is used to transfer 5.00 mL of a 1.25 M stock solution in flask “S” to a 25.00-mL volumetric…

A: In the given problem, the molarity of the serially diluted solution can be calculated by using the…

Q: Calculate the quanity of ecergy required to vapariz 150. ml. of Cll;COCl, at 25 "C. The density af…

A: Given: Volume of CH3COCH3 = 150 mL Density of CH3COCH3 = 0.780 g/mL Vaporization enthalpy = 29.1…

Q: I  wish to prepare 500.0 mL of a 800.0 ppm w/v fluoride (MW = 18.9984 g/mol) solution. a.)How many…

A: a) First calculate the mass fluoride in 500mL solution then it is used to determine the moles…

Q: What volume (ml) of the stock solution is required to prepare 5 litres of the antiseptic to fulfil a…

A:

Q: 3. A 0.5g mixture contains SiO2 , NaCI & NH.CL. After Sublimation 0.4 g left was dissolved to…

A: The percent composition of the mixture containing SiO2, NaCl and NH4Cl is to be calculated. Given:…

Q: Density (g/mL) Reagent Salicylic acid Acetic anhydride Sulfuric acid Molar Mass (g/mole) Amount Mole…

A: The percentage yield of a product in a reaction is the percentage of that product obtained compared…

Q: 1. Prepare a 2 M NaCl soln; 1000 ml final volume; MW = 58.5 grams

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: You were tasked to prepare 590 ml of 3.00 M HNO3. If you were provided a stock solution of 70.5%…

A: Please find the below attachment.     Thank you.

Q: A pipet is used to transfer 5.00 mL of a 1.25 M stock solution in flask “S” to a 25.00-mL volumetric…

A: Molarity can be defined as the ratio of number of moles of solute present in a solution to the total…

Q: What is the molarity of glucose (mol wt =180) in a solution containing 6.70g of glucose and 150 g of…

A:

Q: How many grams of NaBr are needed to prepare 34.9 g of 4.75% (w/w) NaBr solution in water? How many…

A: 4.75 % w/w means that 4.75 g of NaBr is present in 100 g of solution . Solution is made from NaBr…

Q: When a Vitamin C (ascorbic acid; MM = 176.12 g mol-1) tablet is crushed, dissolved and titrated with…

A: Given data,Molarity of KIO3=0.0340MVolume of KIO3=29.80mLMolar mass of ascorbic acid=176.12g/mol

Q: How would you prepare 75 mL of an H2SO4 solution at 20% in weight (density=1.1394 g/mL,…

A: X % of an acid solution means its Xg in 100g of solution. Volume of solution can be calculated from…