100 ml g 0:4 Nop HSq mixed with 100m) oro.2 N N

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: If 2000 mL/min of air was sampled for 30 min at 18 °C and 103 kPa what is the volume occupied in…

A: Given:       Volume flow rate of air=2000 mLmin       Time=30 min       Temperature=18°C=273+18…

Q: You seed to make an aqueous sohstion of e.170 M sihver fluoride for an esperiment in lab, sing a 250…

A:

Q: You need to make 1.0 L of a bu CH3COOH and NaCH3COO answers with reasonable ratio Ka for CH3COOH =…

A:

Q: How many grams of Pb(NO,)2 (331.2 g/mol )are needed to prepare 300 ppm (w/v) of Ph (207.2 gmol) in…

A: Given information, Molar mass of Pb(NO3)2 = 331.2 g/mol Volume of solution = 1 L = 1000 mL ppm…

Q: 2MNO, + 5C,0²- + 16H* → 2Mn²+ + 10 CO, + 8H,0 4. Here, 20 mL of 0.1 M KMNO, is equivalent to

A: Given:- 2MnO4 _  +5C2O42- +16 H+   -------->2Mn+2 +10CO2 + 8H2O. To find:- 20 mL of 0.1 M KMnO4…

Q: Calculate the concentration of Pd<t ion in an unknown sample based on the following data: Vol. of…

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

Q: A student places 25.0 mL of 0.100 M hydrazoic acid (HN3) in an Erlenmeyer flask and adds indicator.…

A: The mixture of hydrazoic acid, (weak acid) and sodium hydroxide, (a strong base) will result in the…

Q: TUI 14eaction Progress Lab Activity Name 2. Consider the following chemical reaction. 3Zn(s) +…

A: Given, Initial mass of Zn = 15.0 g Molarity of H3PO4 = 0.580 M = 0.580 mol/L Volume = 250 mL = 0.250…

Q: The weight of 5 ml of vinegar sample was 5.228 g, was required 30.5 ml of 0.2 M sodium hydroxide…

A: Acid  reacts with base to form salt and water and this reaction is known as neutralization reaction.…

Q: When 71 g of Na2SO4 (FW 142 g/mol) is dissolved in 0.250L of water (MW 18.02 g/mol), what is the…

A: The mole fraction of sulphate ion can be calculated as follows

Q: A tank initially contains 200 liters of fresh water. Brine containing 2.5 N/liter of dissolved salt…

A: Ans. Option (d) is right. 0.82N/L

Q: 1. A 0.68 gram sample of a volatile liquid was heated to 358 K. The gas occupied 265 mL of space at

A: Note: Dear student as per the guidelines only the 1st quetions  is allowed to answer. from ideal gas…

Q: One solution states it contained a saturated 0.25302% dye by mass in ethanol solvent. By measuring…

A: % by mass refers to mass of solute present in 100 g of solution. Molarity is the moles of solute per…

Q: Question 27

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Q: Masses :  Ca = 40.08 g   S= 32.07 g  O= 16.00 g  A 35.0 mL sample of CaSO4 was evaporated to…

A:

Q: A student dissolves 30 g of an unknown compound in 50 g of water at 39 °C. What is the unknown…

A: Since the student is able to dissolve 30 g in 50 g of water hence it means that he will be able to…

Q: 3What

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

Q: Describe how you would prepare 350.0 mL of 0.100 M C12H22O11 starting with 3.00 L of 1.50 МС12Н2О1-

A: The solution of C12H22O11 is provided with - Molarity, M1 = 1.50 M Volume, V = 3.00 L The solution…

Q: Calculation of the volume of 1.25 M NaOH (aq.) required to extract 1.0 gram of 2-naphthol. Use 20%…

A: Given: The molarity of NaOH (sodium hydroxide) is 1.25 M The mass of 2-naphthol is 1.0 g The amount…

Q: 1. The Ksp of Ca3(PO4)2  is 1.3 × 10−26. Estimate the solubility of this salt in units of g. L−1…

A:

Q: A 1.407 g sample of canned tuna was analyzed by the Kjeldahl method. The liberated NH3 required…

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: To a 0.5 g sample of impure NaCl are added 0.784 g of pure AgNO3 (MW = 169.88) crystal. This is in…

A: A precipitation reaction involves the formation of a solid, insoluble substance. In Stoichiometry,…

Q: 3. Find the molar fraction of HCI in vapors over solution of 1.86 g of HCI in 100 g of benzene.…

A: given mass of HCl in solution = 1.86 g Molar mass of HCl = 1.01 + 35.45 = 36.46 g mol-1  Given mass…

Q: 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,?…

A: Given: Initial concentration of H2SO4 = 13.1 M Final concentration of H2SO4 = 0.10 M Final volume of…

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: d. 200 mL of 5.00% (w/v) aqueous BaCl2 from a 0.300 M BaCl2 solution. e. 2.00 L of 0.500 M HCIO,…

A:

Q: Q1 / Prepare one liter of 0.1N solution of H2SO4 concentrated if density is 1.84 and percentage is…

A:

Q: 0-25 Nor 1lit f Hcl mixed Ceith OINO somlor Hcl, her) find Normalibs q folition is A) 0. 16 B) 0.24…

A: Normality of a solution can be written as, mass of g equivalent of a solute present in 1 liter of…

Q: If 7.5 g of sodium nitrate, NaNO3 is dissolved in 85ml of H20 (density of H2O = 1.0g/ml), calculate…

A: Given: Mass of NaNO3 = 7.5 g. Volume of H2O = 85 mL And density of H2O = 1.0 g/mL.

Q: deal. ata for this solution: p (CH2C12) = 1.33 gem³; p ar volume of CH2CI2 = 56.5 cm³mol"'; partial…

A: Given: mixing CHCl3 and CH2Cl2 forms ideal solution.

Q: 2/50lved its volume (4L)His faus(oin) Nafl from sollunchloride i was related dding one liter of…

A: Given that, Initial concentration of NaCl solution = 0.02 M Volume of solution initially = 4 L One…

Q: Detemine the mole faction of the solvent in a solution prepared by dissolving: 36g of CH3OH in 1000…

A: NOTE: In question 1, there is some data not given properly. Since you have asked multiple questions,…

Q: A. The volume ratio of 0.1M HPO4 2 to 0.1M H2PO4 in i) pH 6.2 il) pH 7.2 iii) pH 8.2

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: prod o deixar el riquor igW vinuminos on home de The concentration of Salt is 252 g1-1. There is 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: 1. Volume of 0.10 M acetic acid needed for 25.0 mL of 0.020 M. mL 2. Molar mass of sodium acetate. g…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: A water containing 50 mg/L of phosphate (PO.) is flowing in an open channel at a volumetric flow…

A: One liter of water contains 50mg of phosphate ions and the total liter of water flowing per day is…

Q: What willl be the Molar concertration of the 473.49  HCl solution prepared from 4 mL of concentrated…

A: 1- First calculate the moles of HCl :  mass of HCl = [ Density × Volume ]  mass of HCl = [ 1.18g/mL…

Q: N Careers Mail - boss Texas Work HOc HomewcX W College Ph +…

A:

Q: Prepare 100ppm of Cd (NO3).4 H2O in a 500ml

A: Given information, Concentration (in ppm) = 100 ppm Volume of solution = 500 mL

Q: 19. What is the molarity of a commercial phosphoric acid solution, H3PO4 (MW= 98.0 g/mol) that is…

A:

Q: A 100% 7:06 PM Wed Jan 29 Unanswered •1 attempt left • Due on Jan 30 0.100 g sample is dissolved in…

A: Mass of solute = 0.100 gMass of solvent = 10.0 gDepression in freezing point (ΔTf) = 1.22 °Cfreezing…

Q: НО OCH3 B OCH3 Но НО C OCH3

A: In UV/Visible spectroscopy as the conjugation increases λmax also increases. Reason: As conjugation…

Q: A 0.42 gram sample of acetylsalicylic acid (C₉H₈O₄, aspirin) is crushed and dissolved in water. The…

A:

Q: ZI 2. C Your Task | X C Please Ans x E Untitled de X G differences X V Other Resc X tChemistry x M…

A: The functional group of a molecule is a key component that is responsible for providing the…

Q: : A stock solution of 70% v/v ethanol was diluted with distilled water to prepare 1L of 21% v/v…

A: Solution- inital volume=V1Initial concrntrationS1=70%(v/v)Final volumke V2=1Lfinal concentration…

Q: solution was prepared by dissolving 413 mg of  K3Fe(CN)6 (329.2 g/mol) in sufficient water to give…

A: The solution of the given question is