Q: Prepare 250 ml of a standard solution of sodium carbonate (106g / mol) at a concentration of 0.3N?
A: Calculation of mass of sodium carbonate: Concentration of standard solution = 0.3…
Q: What volume of a 0.167 M KBr solution is needed to provide 18.5 g of KBr?
A: The number of moles (n) in 18.5 g of KBr is calculated using equation (1) in which m and M…
Q: To what volume should you dilute 75 mL of a 10.0 MH2SO4 solution to obtain a 1.75 M H2SO4 solution?
A:
Q: Commercial hydrochloric acid is 12.1 M. What volume of commercial HCI solution should be used to…
A: Given, initial molarity of HCl = 12.1M. Final molarity of HCl = 3.00M Final…
Q: What volume in mL of 0.3000 M NaCl solution is required to produce 0.2750 moles of NaCl?
A:
Q: How many milliliters of an aqueous solution of 0.193 M manganese(II) iodide is needed to obtain 10.6…
A: Given data, Molarity of manganese (II) iodide is 0.193 M Mass of manganese (II) iodide is 10.6 g…
Q: What volume in mL of 0.3000 M NaCl solution is required to produce 0.2900 moles of NaCl?
A: Molarity of a NaCl solution is equal to the number of moles of NaCl dissolved in one liter of a…
Q: What mass of CH3OH is required to prepare 111.2 mL of solution with a CH3OH concentration of 0.342…
A: Given: Molarity of CH3OH solution = 0.342 M Volume of CH3OH solution = 111.2 mL = 0.1112 L…
Q: What is the concentration of a solution made by diluting 45 mL of 6.0 M HCl to a final volume of 750…
A: M1V1 = M2V2
Q: How much water must be added to 591 mL of 0.245 M HCl to produce a 0.157 M solution? Assume that the…
A: Dilution equation: Suppose M1 and V1 are the molarity and volume of concentrated solution and M2 and…
Q: If 25.0 mL of a 1.00 M HCI solution is diluted to 2.00 L, what is the molarity of the new solution?
A: Given :- initial molarity of solution = 1.00 M initial volume of solution = 25.0 mL…
Q: What is the concentration, in M , of a solution prepared from 73.8 g NaCl dissolved in a total…
A:
Q: What volume in mL of 0.3000 M NaCl solution is required to produce 0.1700 moles of NaCl?
A: Given, Molarity = 0.3000 M Number of moles of NaCl = 0.1700
Q: What weight of sodium carbonate needed to prepare exactly 750 ml. of 0.105N solution.
A:
Q: What volume in mL of 0.3000 M NaCl solution is required to produce 0.2300 moles of NaCl?
A: Given: Molarity of NaCl= 0.3000 M Moles of NaCl = 0.2300 moles To Calculate: Volume of Solution (mL)
Q: What volume of 0.257 M NaCl is needed to make 500. mL of 0.0125 M NaCl?
A: Given :- initial concentration = 0.257 M final concentration = 0.0125 M final volume = 500. mL…
Q: What is the final volume (in L) when 87.9 mL of 6.5 M HF is diluted to make a 1.9 M solution?
A: The equation for dilution is stock solution= diluted solution M1V1=M2V2 Molar concentration of…
Q: How many mL of 0.300 M NaCl solution are required to produce 0.210 moles of NaCl?
A: No. Of moles=molarity*volume Hence, 0.210=0.3*V. V= 0.7 L
Q: 1L of a solution of hydrogen peroxide is 15.2% by mass. What is the molarity of th solution? Assume…
A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…
Q: How many mL of 0.300 M NaCl solution are required to produce 0.110 moles of NaCI?
A:
Q: 2. What volume of 7.55 M HCl solution must be diluted to prepare 4550 ml of 0.380 M HCI?
A:
Q: What volume of a 0.2.72 M LiCl solution is needed to provide 8.5 g of LiCl?
A: The molarity of the LiCl solution is = 0.272 M The mass of LiCl needed is = 8.5 g The required…
Q: How much water must be added to 510. mL of 0.185 M HCl to produce a 0.146 M solution?
A: Since we are adding water, this is a case of dilution. Before dilution: volume, V1 = 510. mL…
Q: How many milliliters of a 6.0 M HCl solution will provide 164 g of HCl?
A: Given information: mass of HCl = 164 g Molarity of HCl = 6.0 M
Q: What volume (in mL) of 12.0M HCI is needed to contain 3.00 moles of HCI?
A: Since you have posted more than one question, we can solve only first question for you. If you want…
Q: What volume of a 0.115 M barium hydroxide solution is required to neutralize 13.5 mL of a 0.309 M…
A: When an acid and base react, a neutralization reaction occurs where water and an ionic compound are…
Q: What volume of a 0.369 M nitric acid solution is required to neutralize 14.4 mL of a 0.168 M…
A: Consider the reaction between nitric acid and potassium hydroxide is as follows; HNO3 + KOH…
Q: What is the concentration of a solution made by diluting 65 mL of 6.0 M HCl to a final volume of 750…
A: Number of moles of solute present in 1 liter of solution is known as molarity of the solution.
Q: How many milliliters of 6.00 M NaOH solution are needed to provide 0.325 mol of NaOH?
A: Given:Molarity = 6.00 MNumber of moles = 0.325 mol
Q: How many mL of a 0.224 M aqueous solution of manganese(II) sulfate, MnSO4, must be taken to obtain…
A: Molarity of MnSO4 = 0.224 mol/L ( M = mol/L) Mass of MnSO4 = 15.1 g Molar mass of MnSO4 ,…
Q: What volume in of a 0.32 M Mg(NOs)2 solution contains 45 g of Mg(NOs)2 ?
A: Given data, Molarity of Mg(NO3)2 = 0.32 M Given mass of Mg(NO3)2 = 45 g
Q: How many liters of 0.0300 M NaOH solution can be prepared from 2.00 g of NaOH?
A: Number of moles of NaOH can be calculated as given below:
Q: How many grams of GaCl3 are needed to produce 151.4 mL of a 0.109M GaCl3 solution?
A:
Q: How many milliliters of a 6.20 M NaOH solution are needed to provide 0.345 mol of NaOH?
A: The values are given as follows:
Q: 8. How many grams and moles of solute are there in 250. mL of a 0.1OM CaCl, solution?
A: In the given question we have to calculate the grams and moles of solute in the Solution. Given data…
Q: How many ml of acid should be taken to prepare a 0.5 Molar, 250 ml HCl solution from 35% HCl by…
A:
Q: What volume (in mL) of 4.35 M HCl solution is needed to react with 18.5 g of CaO2H2?
A: Given data contains, Molarity of HCl is 4.35M. Mass of CaOH2 is 18.5 g. The chemical equation is…
Q: How many grams of CaCl, (MM = 110.98 g/mol) are needed to make 475.0 mL of a 0.285 M solution?
A:
Q: What volume of 5.00 M NaOH stock solution is needed to prepare 100.0 mL of 0.250 M NaOH solution?
A: Since moles of NaOH = molarity X volume of solution in L Since in final solution volume = 100 mL…
Q: What volume of a 0.452 M NaOH solution is needed to neutralize 85.0 mL of a 0.176 M solution of…
A:
Q: 7. The mass of KI (in grams) needed to prepare 750 ml of 2.8 M solution is:
A:
Q: How many milliliters of 12.0 M HCl are required to prepare a 2.00 M, 250.0 mL of HCl solution?
A: Intial concentration of HCl = M1 = 12 M Intial volume of HCl = V1 = ? mL Final concentration of HCl…
Q: If a 8. 2 M of solution of KNO3 reaches a volume of 450 ml. what is the moles of solute needed?
A:
Q: How many mL of 0.300 M NaCl solution are required to produce 0.115 moles of NaCl?
A: We have to find volume of 0.300 M NaCl solution are required to produce 0.115 moles of NaCl
Q: What volume of 3.25 mol/al stock solution is needed to make 2.5L of 1.50 mol/L solution?
A: Given: Stock solution concentration = 3.25 mol/L. Final solution concentration = 1.50 mol/L. And…
Q: what volume of 12 M hydrochloric acid solution (HCI) is needed to prepare 750 mL of 3 M HCI…
A: The dilution is the process of mixing a solution having definite molarity with more volume of water…
Q: What volume of a 0.108 M potassium hydroxide solution is required to neutralize 17.8 mL of a 0.265 M…
A: Given, For potassium hydroxide, M1= 0.108 M V1=? For hydrochloric acid, M2= 0.265 M V2 = 17.8 mL
Q: What volume of 6.00 M HNO3 soulution is needed to prepare 1500 mL of 0.180 M HNO3 solution?
A: According to volumetric principle
Q: What is the molarity of the solution prepared by diluting 65 mL of 0.95 M NaSO4 solution to a final…
A:
Step by step
Solved in 2 steps with 2 images
- 1) How many milliliters of 70% ethanol and 20% ethanol must be mixed to prepare 500ml of 30% ethanol? 2) A gaseous blend of nitric oxide and nitrogen (NOmax) contains 0.09% v/v nitric oxide (NO) and 99.92% v/v nitrogen. Express the strength of nitric oxide in PPM (round to whole number) 3) The ratio strength of a 10mL vial of neostigmine methylsulfate injection USP is 1:1500.Calculate the amount of neostigmine methylsulfate in milligrams contained in the 10mL vial. (Round to the whole number).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?Which of the following methods of preparing 0.0010M HCl solution from 1.0M stock HCl Solution willyield the smaller overlall uncertainty? a. A one step Dilution that uses 1mL(±0.006) pipet and 1000mL(±0.30) Volumetric Flask, or b. A two-step dilution that uses 20mL (±0.03) pipet and a 1000mL(±0.30) volumetric flask and a25 mL (±0.03) pipet and a 500mL(±0.20) volumetric flask for second dilution.
- What volume (mL) of the prepared low alcoholic elixir is needed if the prescription requires 120 mL of an alcoholic elixir with 35% v/v alcoholic strength? Low alcoholic elixir alcoholic strength: 20% Low Alcoholic ElixirCompound Orange Spirit 10mLAlcohol 100mLGlycerin 200mLSucrose 320gPurified water, qs ad 1000mL High alcoholic elixir alcoholic strength: 79% High Alcoholic ElixirCompound Orange Spirit 4mLSaccharin 3gGlycerin 200mLAlcohol, qs ad 1000mL a 30.51 mL b 119.39 mL c 89.49 mL d 30.61 mLGypsum (CaSO4) is a common percipitant in water desalination. CaSO4 <=> Ca2+ + SO42- where Ksp=10-4.6. Assuming that: [Ca2+]=2x10-2 M; [SO42-]=2x10-3M: a) Find Qsp or IAP for the given water b) Find the solubility index (SI) and determine whether CaSO4 is under, super, or at saturation in water. Feel free to make any assumptions you wish, as long as they're stated.A 18 g of unknown organic sample was dissolve in 756 mL of benzene. The boiling point of benzene was increased by 3.36oC. As the first step of analysis, determine the moecular weight of the unknow sample? Kb of benzene= 2.64oC/m Bb of benzene = 80.09 oC density of benzene = 0.874 g/mL at 25 °C Answer in whole number, no units required.
- Q1. Dissolved 0.273 grams of pure sodium oxalate (Na,C,O.) in distilled water and added sulfuric acid and titration the solution at 70 ° C by using 42.68 ml of KMNO, solution and has exceeded end point limits by using 1.46 ml of standard oxalic acid (H; C;O.) with 0.1024 N. Calculate the normlity of KMN0.. Note that the molecular weight of sodium oxalate (Na,C,O.) = 134 and its equivalent weight = 67Q3 / The solubility of sodium chloride NaCl in water at 290 Kis 35.8 kg / 100 kg of water. Express the solubility as the following: 1. Mass fraction and the mass percent of Naci 2. Mole fraction and mole percent of NaCl 3. kmol of NaCl per 1000 kg of water Note: molecular weight of NaCl = 135.8, and water = 18.016A chemist receive different mixtures for analysis with the statement that it contain NaOH, NaHCO3 , Na2CO3 or compatible mixtures of these substances together with the inert material. From the data given, identify the respective materials and calculate the percentage of each component. 1.000g samples and 0.2500 N HCl were used in all cases. Sample 1 With phenolphthalein as the indicator, 24.32 ml of HCl was used. A duplicate sample required 48.64 ml HCl using methyl orange as the indicator. Sample 2. With phenolphthalein as the indicator it uses 28.2 ml of HCl to make it colorless and added with methyl orange indicator and uses 11.3 ml of HCl to reach the end point.
- Preparation of 100 ml 1.0 molar (1.0M) H2SO4 solution (specific gravity, 1.8 g/ml and purity, 98%). H2SO4 molecular weight is 98 grams.Can you help me determine the required amount of 500mg ascorbic acid tablets to puverize the necessary amount of distilled water to make the desired concentration of stock solution (0.1M) Show complete and justifiable computations pls.the dimensionless Henry's law constant for trichloroethylene at 25 degrees Celcius is 0.4. A sealed glass vial is prepared that has an air volume of 4ml overlying an aqueous volume of 36ml. TCE is added to the aqueous phase so that initially it has an aqueous-phase concentration of 100 ppb. After the system equilibrates, what will be the concentration (in units of microgram per liter) of TCE in the aqueous phase
