Q: What is the pOH of the solution formed by mixing 15 mL of 0.10 M HNO₃ and 10 mL 0.15 M Ca(OH)₂?…
A: The reaction between the two chemicals will be as follows: HNO₃ + Ca(OH)₂ ----------> Ca(NO3)2…
Q: QUESTION 15 Standardization of EDTA required 38.00 mL EDTA solution to titrate 1.000 g Caco3 in 100…
A: 1- First we will determine the moles of CaCO3 : Moles = [ mass / molar mass ] Moles = [ 1.000g /…
Q: CONCENTRATION PRACTICE PROBLEMS One can of Coke holds 355 mL of soda and contains 34 mg of caffeine.…
A: Since you asked multiple questions so as per Q&A guidelines of portal I solve first three parts…
Q: Question 10 A certain local brand of "healthy chicharon was found to contain 0.4132 g of NaCl after…
A: A question based on concentration terms that is to be accomplished.
Q: QUESTION 35 How many grams of NaCI would you have to dissolve to make 1.O L of 0.45 M NaOH solution?…
A: Molarity = moles /Volume (L) Moles = Molarity × Volume (L) = 0.45 × 1 .0 0.45 mol
Q: Question 26 Ksp for Pbl2 is 8.43E-6. What is the solubility of Pbl2 in g L-1? (molar mass: 461.01 g…
A: Given:: Ksp of PbI2=8.4×10-6 molar mass= 461.01 g mol-1 Solubility (in g L-1) = ?
Q: H2SO4 + 2 NAOH 2 H20 + Na2SO4 If you require 33.35 mL of 0.541 M NaOH solution to titrate 210.1 mL…
A: The reaction occurs as follows: 2 NaOH + H2SO4 → Na2SO4 + 2 H2O 2 mol 1 mol Molarity of…
Q: QUESTION 8 The titration of 25.0 mL of an unknown concentration H 2SO 4 solution requires 83.6 mL of…
A: We know that acid is neutralized by a base. At the equivalence point, moles of acid = moles of base.…
Q: Question 8: A solution contains 0.00010 mol of KBr and 0.10 mol of KCI per liter. AgNO3 is added to…
A: Given data mole of KBr = 0.00010 mole per liter mole of KCl = 0.10 mole per liter Volume of solution…
Q: What mass of glucose (CgH120g) must dissolve in 917 g of ethanol to make a 0.40 m solution? Answer:
A: Molal concentration is the number of mols of solute per kg of solvent.
Q: Question 28 10 Calculate the molarity of the resulting solution prepared by diluting 25.0 mL of…
A:
Q: How many grams of NaCl (molar mass = 58.44 g/mole) must be added to 12.0 g of water (molar mass =…
A: Here we have to determine the mass of NaCl must be added to 12 g of water to make a solution which…
Q: Question 19 How many grams of CaCl2 are needed to prepare 593.3 mL of 2.38M CaCl, solution? 156.48
A: Q19
Q: QUESTION 18 What willl be the Molar concertration of the 306.29 HCI solution prepared from 3 mL of…
A:
Q: What is the concentration of a solution in mol/L if you dissolve 20g of H3PO4 (98 g/mol) in 50 mL of…
A:
Q: Question 22 > What is the concentration of magnesium bromide, in ppm, if 127.47 g MgBr, is dissolved…
A:
Q: What is the molality of lithium ions in a 0.302 m solution of Li,PO. assuming the compound…
A: Given, Molality of Li3PO4 = 0.302 m
Q: امورن هم وكي الهودیوم و مل م المحلول بكي Hom work:calculate the weight of sodium hydroxide (NAOH) in…
A:
Q: Question 15 Which of the following is the least soluble in water? O Silver iodide, Ksp = 8.3 x 10-17…
A: Given, The compound which is least soluble in water is :
Q: IReferences) A solution was prepared by mixing 40.00 ml. of 0.100 M HNO3 and 110.00 mL of 0.200 M…
A:
Q: QUESTION 4 What is the hydronium ion concentration in a solution prepared by mixing 50.00 mL of 0.10…
A:
Q: What mass of glucose (CGH1206) must dissolve in 917 g of ethanol to make a 0.40 m solution? Answer:
A: Given, Concentration = 0.40 m Mass of solvent (ethanol) = 917 g = 0.917 kg
Q: QUESTION 5 In an experiment, it requires 35 ml of NaOH to titrate 0.35 g of dissolved KHP (molecular…
A: Given Volume of NaOH ( V1 ) = 35 mL 1000 mL = 1 Liter 35 mL =…
Q: Question 19 of 30 Submit What is the solubility of Mg(OH)2 at a pH of 11.40? (Ksp Mg(OH): is 1.6 x…
A:
Q: What volume (in mL) of 0.036 M Na2Mo04 must be added to 24.38 mL of 0.143 M Pb(NO3)2 to reach the…
A:
Q: Chemistry Question #5: K1 for the following bicarbonate buffer solution is equal to 0.5 × 10-11, and…
A: In order to solve this question, we will be using the Henderson Hasselbalch equation.
Q: Question 16 How many grams of Mg3(PO4)2 can dissolve in 500 mL of water given that Mg3(PO4)2 has a…
A: Given: The volume of water is 500 mL. Ksp is 1×10-24 To find: Mass of Mg3(PO4)2
Q: Warm Up Question 10.00 mL of a 35.2-µM stock solution of blue dye is diluted to a final volume of…
A:
Q: QUESTION 21 What is the Ksp expression (in terms of molar solubility) for thallium (1) chromate…
A:
Q: What volume of 0.250 M sulfuric acid is needed to react with 50.0 mL of 0.100 M sodium hydroxide?
A:
Q: QUESTION 29 MgCl2 are added dropwise to a 1.2 M NaF solution. The minimun concentration of MgCl2…
A: MgCl2+2NaF→MgF2+2NaClMgF2(s)↔Mg+2+2F-Cocentration of solid does not play a role in equilibrium…
Q: What mass of glucose (CeH12Og) must dissolve in 917 g of ethanol to make a 0.40 m solution? Answer:
A:
Q: QUESTION 7 What is the final concentration when 297ml, of water is added to 244mL of a 0.155M…
A:
Q: Question 64 W Sample pH Before Filtration Mass of Crystals 1 8.5 0.00 g 7.4 0.00 g 3 6.8 0.03 g 4…
A: The number of moles of the solute that can be dissolved per liter of solution before the solution…
Q: Answer (i) At 20°C the solubility limit of silver(I)sulfate (Ag2SO4) is 0.800 g/100 mL. What is the…
A: i) Given,
Q: If a 0.600g of NaCl required 22.0mL of AgNO3 in the standardization, calculate the Molarity of…
A: The number of moles of NaCl must be equal to the number of AgNO3 at the end point. AgNO3 + NaCl…
Q: 9.4 mL of 2.4 M HCI is used to titrate 12.6 mL of NH3 its endpoint. What is the initial molar…
A: Moles of HCl = Moles of NH3 M1 × V1 = M2 × V2
Q: How many ml. of 0.444 M HBr are needed to dissolve 9.51 g of BaCO,? 2HBr(aq) + BaCO;(s) BaBry(aq)+…
A: Interpretation - To determine the volume of HBr ( mL ) of 0.444 M of HBr are needed to dissolve…
Q: QUESTION 28 150 Supersaturated solution Saturated 100 NaC,H3O Unsaturated solution 50 25 50 75 100…
A: We will answer this question by drawing coordinates on graph .
Q: What mass of glucose (CH,2O,) must dissolve in 2188 g of ethanol to make a 0.57 m solution? Answer.
A: We have given that What mass of glucose (C6H12O6) must dissolve in 2188 g of ethanol to make a 0.57…
Q: QUESTION 34 A homogeneous solution contains copper(II) ions (Cu2+*), silver ions (Ag*) and potassium…
A: In this method mixture of different cations can be separated by precipitation technique.
Q: Question 17/17 ميز هذا السؤال What mass of K,Fe(CN)6 is needed to prepare 900 mL of 0.0740 M K…
A: given, volume of K+ solution = 900 mL = 0.9L molarity of K+ solution = 0.0740M K3Fe(CN)6 → 3K+ +…
Q: QUESTION 17 Solublility product constant Ksp for magnesium carbonate (MgCO3) is 3.2 x 10 0. What is…
A: The question is based on the concept of solubility product principle. it states that when a weak…
Q: Status: Not yet answers Suppose you are working with a NaOH stock solution but you need a solution…
A: Given :- Initial concentration = 1.425 M Final concentration = 0.1488 M Final volume = 250.0 mL…
Q: Question 17/17 ميز هذا السؤال What mass of K3FE(CN)6 is needed to prepare 900 mL of 0.0740 M K…
A: Given: The volume of the solution, (V) = 900 mL = 0.9 L The concentration K+ ions in the solution =…
Q: QUESTION 6 In an experiment, it requires 32 ml of NaOH to titrate 0.35 g of dissolved KHP (molecular…
A: Given: Mass of KHP = 0.35g Volume of NaOH = 32mL
Q: PART B : ΑΝΙΟNΤΕSTS OPERATION OBSERVATION CONCLUSION Section 4: Test for Carbonate (CO,) ions 6 M…
A: To identify the cation and anion present in the unknown sample:
Q: QUESTION 29 At a temperature of 0 °C and 200 g H 20. a saturated solution of a substance contains 90…
A: Solubility is dependent on temperature and it generally increases with increasing temperature. At…
Q: Activity 2. Complete the table to prepare the given solutions with different concentrations:…
A: Density of pure nitric acid is 1.51g/ml. A. We have 5% (V/v) HNO3 25 ml Volume of nitric acid…
Q: What mass of glucose (CH;2Og) must dissolve in 1045 g of ethanol to make a 0.66 m solution? Answer:
A:
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- How much mL of BaSO4 will be recovered given the following: Solution A: Na2SO4(aq) = 0.01 M; V = 100 mL Solution B: BaCl2(aq) = 0.1 M; V = 50 mLAt 23°c, 85.0 grams of NaNO3(s) are dissolved in 100. Grams of H2O(I).A preparation contains in each milliliter 236 mg of dibasic potassium phosphate (m.w.=174.18) and 224 mg of monobasic potassium phosphate (m.w.=136.09). Calculate the total concentration of each in mmol/mL of the preparation?
- 15. A 300.00 mL solution of 0.00165 M A2B5 is added to a 230.00 mL solution of 0.00380 M C2D3. What is pQsp for A2D5?What is the [H3O+] of a solution which is 0.1690 M in CH3CO2H and 0.1590 M in NaCH3CO2? CH3CO2H(aq) + H2O(l) → CH3CO2−(aq) + H3O+(aq) Ka = 1.800e-5How many milliter of 0.200M NaOH will be required to neutralize 75.0mL of 0.215M H2SO4? a.161 b.323 c.323 d.430
- 5. A solution of H2SO4 is found to be 0.5172 N and 39.65 mL of it are equivalent to 21.74 mL of standard alkali solution. What is the N of the alkali and how many grams of sulfamic acid (HSO3.NH2) will 1.00 mL of it neutralize?How many (a) millimoles, (b) milliequivalents, and (c) milliosmoles of calcium gluconate (Ca(C6H11O7)2 - m.w. 430) are represented in 15 mL of a 10% w/v calcium gluconate solution?If 39.17 mL of 0.388 M NaOH was needed to neutralize 25.00 mL of H2SO4 sample, what is the concentration of the H2SO4 sample?
- 25.00 mL of a H2SO4 solution with an unknown concentration was titrated to a phenolphthalein endpoint with 41.13 mL of a 0.1399 M NaOH solution. What is the concentration of the H2SO4 solution? [H2SO4]= _______MIf 33.82 ml of an hno3 solution of unknown requires 29.95 ml of .100m Noah solution to be neutralized what is the concentration of the hmo3 solitionIn which solution will 0.010 M Pb2+ remain soluble? a. 0.030 M Cl- (Ksp of PbCl2=1.7x10-5) b. 0.0020 M F- (Ksp of PbF2=3.6x10-8) c. 7.0x10-5M SO42- (Ksp of PbSO4=6.3x10-7) d. 3.0x10-11M CrO42- (Ksp of PbCrO4=2.8x10-13)