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- 5. Barium chloride is reacted with sodium sulfate to produce barium sulfate and sodium chloride. How many moles of the precipitate is produced from 0.8 moles of BaCl2?A. 0.4 moleB. 0.8 moleC. 1.6 molesD. None of the above 6. 315mL of water was added to 2100 mL of 19M NaCl solution. What is the new concentration of the solution?(Use the given information: MW: Na = 23g / mol , CI=35g/mol)A. 2.85 MB. 2.48 MC. 18.60 MD. 19.0 MCalculate the correct molarity (M), grams/L and percent solution for an isotonic solution of MgS04, which dissociates into 2 particles. MW MgS04 is 120.37 g/mol. (show your work)You need to make 100 mL of 1% Atropine sulfate solution and make it isotonic with sodium chloride Atropine sulfate has a MW of 695 and is 3 ions. (E = 0.12) For 100 ml of 1% atropine sulfate we have 1 g of atropine sulfate 1: How much NaCl is the atropine sulfate equivalent to 2 How much Sodium Chloride would be needed to make 100 mL of water isotonic? 3 How much sodium chloride should be added to the 1% atropine sulfate solution to make it isotonic
- The Ksp for CsClO4 is 0.00747. Determine the solubility for CsClO4 in M. Report answer with four places past the decimal point-NEUTRALIZATION REACTIONS Can you help me with this one? The given problem is in the image that I've attached 1. Based on the given problem, What is the molecular weight of potassium biphthalate (C8H5KO4)? 2.Based from the given problem, what is the mEq of potassium biphthalate? 3.Based from the given problem, what is the Normality of the sodium hydroxide solution? Would you please provide a separate solution to each question, thankyou! Here are the instructions on how will you write the answers: 1. All answers to be entered via short answer are in the NUMERICAL FORMAT and presented up to the 3rd decimal place. ADD TRAILING ZEROS if necessary, to complete your answer. NO NEED TO INCLUDE THE UNIT for now.For uniformity of answers, please be guided by the following examples:- If your answer is 5.627594, enter 5.628- If your answer is 3.129934, enter 3.130- If your answer is 8.38, enter 8.380- If your answer is 1.2, enter 1.200- If your answer is 25, enter 25.000- If your answer is…calculate the mass/volume percent (m/v) of kcl in a solution prepared by disoolving 2.50 g of kcl in enough eater to give a final volume of 40.0 ml.Show work
- Although other solvents are available, dichloromethane(CH₂Cl₂) is still often used to “decaffeinate” drinks because thesolubility of caffeine in CH₂Cl₂ is 8.35 times that in water.(a) A 100.0-mL sample of cola containing 10.0 mg of caffeine is extracted with 60.0 mL of CH₂Cl₂. What mass of caffeine re-mains in the aqueous phase? (b) A second identical cola sampleis extracted with two successive 30.0-mL portions of CH₂Cl₂.What mass of caffeine remains in the aqueous phase after each extraction? (c) Which approach extracts more caffeine?8. 39.24 mL of permanganate solution reacts with 0.241 g sodium oxalate according to the following reaction. Determine the normality for this permanganate solution. Na2C2O4 + KMnO4 + H2SO4 --> MnSO4 + CO2 + Na2SO4 + K2SO4 + H2O detirmine equivalent weight for sodium oxalate detirmine equivalents of sodium oxalatewhat is the % m/v concentration of 25.0g of solute in 375ml solution? please use sig figs and show work
- Knowing the mass of sodium bicarbonate used, one can calculate the moles of sodium bicarbonate and the moles of HCl. With the volume readings from the burette and the moles of HCl calculated, the molarity of the HCl solution can be found. Na2CO3 is mixed with 25 mL of water in the titrated flask. final reading - Initial of HCl in burette is amount used. Show work A.) determine the concentration of the HCl solution from the data for the standardization of the HCl with the Na2CO3. B.)calculate the moles and mass of acetylsalicylic acid in each tablet (molar mass = 180.16 g/mol). C.)calculate the % by mass of aspirin in the tablet.Barium chloride is reacted with sodium sulfate to produce barium sulfate and sodiumchloride. How many moles of the precipitate is produced from 0.8 moles of BaC12?A. 0.4 moleB. 0.8 moleC. 1.6 molesD. None of the above A 315mL of water was added to 2100 mL of 19M NaCI solution. What is the newconcentration of the solution?(Use the given information: MW: Na = 23 g/mol, C1 = 35g/mol)A. 2.85 MB. 2.48 MC. 18.60 MD 19.0 M 500g of Al2S3 is dissolved in H20 to make 15.0 L of solution. What is its normality? (MW:Al=27g/mol, S=32g/mol, H=1g/mol, 0=16g/molA. 0.11 NB. 0.07 NC. 0.22 ND. 0.04 NCalculate either [H3O+][H3O+] or [OH−][OH−] for each of the solutions at 25 °C.25 °C. Solution A: [OH−]=2.25×10−7 MSolution A: [OH−]=2.25×10−7 M Solution A: [H3O+]=Solution A: [H3O+]= MM Solution B: [H3O+]=9.29×10−9 MSolution B: [H3O+]=9.29×10−9 M Solution B: [OH−]=Solution B: [OH−]= MM Solution C: [H3O+]=0.000649 MSolution C: [H3O+]=0.000649 M Solution C: [OH−]=Solution C: [OH−]= M