Q: What pressure of gas is necessary to obtain a concentration of 1.0x10-3M H2(g)?
A:
Q: How many grams of sodium hydroxide, NaOH , must be dissolved to prepare 500. mL of a 0.138 M aqueous…
A: Given :- volume of solution = 500 mL molarity of solution = 0.138 M To calculate :- mass of NaOH…
Q: 2. A solution is prepared by mixing 5 ml of ethyl alcohol in 100 ml of water. What is the volume…
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Q: 1. How many moles of KNO3 are needed to make 450 ml of 1.5 molar solution?
A: Given- Volume = 450 ml = 0.450 L (1L = 1000ml) Molarity = 1.5 M
Q: how many mL of .536 M CaCl2 are needed to prepare 250mL of 175M aqueous solution calcium chloride
A: The volume required is calculated below.
Q: Calculate the volume of NaNO2 8×103M solution necessary to prepare 10 ml of 6x10-3 M NaNO2 solution…
A: To change the concentration of any solution of known quantity, multiply molarity by its volume to…
Q: How many grams of sulfur (S8) must be dissolved in 100.0 g naphthalene (C10H8) to make a 0.13 m…
A: Given, the mass of solvent C10H8, msolvent = 100.0 g x 1 Kg/1000 g = 0.1 Kg The molality of the…
Q: What is the molarity of a solution that contains 120.0g of NAOH dissolved in 3000.0mL of solution?
A:
Q: What would be the percent by volume and proof of an ethanol solution containing 70 mL alcohol in 250…
A: Given data, Volume of ethanol = 70 mL Volume of ethanol solution = 250 mL Here, Solute of the…
Q: How much of 18.0 M H2SO4 stock solution do you need to prepare 500 ml of a 1.77 M H2SO4 solution?
A:
Q: 01F an aqueous solution orKCI (Mular mass: T4.533/m) has a concentration of 4.50m. What would be the…
A: Concentration of KCl = 4.50 mol/kg it's means 4.50mol of KCl dissolved in 1kg of water mass. Mass…
Q: What is the molarity of a hydrogen peroxide solution (H2O2) solution prepared by mixing 30 grams of…
A: Molarity is a unit of concentration defined as the number of moles of solute per volume of the…
Q: Calculate the volume of 1.0 M (moles) CuSO4 solution needed to make 100mL of a 5.0 x 10 ^-4 M…
A: Dilution of the solution: On dilution of the solution with the pure water, the mole of solute…
Q: how can you prepare 100 ml of 1% wlv sodium chloride solution as an isotonic solution?
A: Given Values: Concentration of the sodium chloride solution = 1% w/v Volume of the sodium chloride…
Q: What would be the concentration of a solution made by diluting 2.96 mL of 7.1 M HCl solution to 206…
A: Using equation of dilution we can find concentration of solution.
Q: How many mL of 5 M NaCl are required to prepare 1500 mL of 0.002 M NaCl?
A: The moles of a compound can be determined from the molarity of the compound by using the following…
Q: What is the concentration of a solution formed by diluting 22.0 mL of a 4.9 M 40mL? M glucose…
A:
Q: What is the major force that drives nonpolar substances out of aqueous solution?
A: The major force that drives nonpolar substances out of aqueous solution is given below,
Q: What is the concentration of a solution made by dissolving 1.2 g of salt in 3.8 g of water?
A: The mass of solute present in a fixed mass of solution is known as concentrationof the…
Q: What volume of a 0.575-M solution of glucose, C6H12O6, can be prepared from 50.00mL of a 3.00-M…
A: To calculate the volume of a 0.575-M solution of glucose that can be prepared from 50.00mL of a…
Q: What is the concentration of a solution formed by diluting 5.0 mL of a 3.2 M glucose solution to…
A: The equation to calculate the known values from unknown values are given by M1V1=M2V2 where M is the…
Q: How many moles of NaCl are needed to make 500 ml of 0.1 M NaCl solution?
A: Formula used: Molarity = (no. Of moles * 1000)/ volume
Q: What percentage is a 1 M glucose solution?
A: In 1 M of glucose solution, 1 mol of glucose is present in the 1.0 L of the solution. The mass of…
Q: Calculate the volume (in mL) of a 1.205M stock NaOH solution needed to prepare 250.0 mL of a 0.1157M…
A:
Q: What is the solution of 6.5ml to cm³?
A: 1 ml is equivalent to cm3.
Q: 1. What mass of the following chemicals is needed to make the solutions indicated? a. 1.0 liter of a…
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Q: What is the %-solution when 123 g Li2SO3 are dissolved in 450. mL of water?
A:
Q: Mixing 10.00 mL of an aqueous solution with 10.00 mL of water represents a
A: Formula Used Concentration = no of moles / Volume Given : Volume of solution = 10 mL Volume of…
Q: Calculate number of grams required to prepare: a. 250mL of a 1.2M (NH4)2SO4 solution. b.…
A: Given, 250. mL of a 1.2M(NH4)2SO4 solution.1.50 Liter of a 4.7 x 10-2 M H3PO4 solution
Q: Calculate number of grams required to prepare: a. 250. mL of a 1.2M(NH4)2SO4 solution. b. 1.50…
A:
Q: What is the molarity of a solution that has 41g NaCl in 2.5L solution?
A: Given information: Mass of NaCl = 41 g Volume of solution = 4.5 L
Q: How many grams of potassium dichromate (K>Cr207) are required to prepare a 500-mL solution ~ whose…
A: Given, Volume = 500 mL = 0.5 L Molarity = 5.00 M. To calculate the mass in grams.
Q: What is the amount of solute needed to prepare 150 mL of a 40.0% (m/v) LiNO3 solution?
A: Given, Volume of the solution = 150 mL (m/V)% = 40.0 %
Q: What mass of ferric hydroxide is needed to prepare 500 ml of a 0.25n solution
A: The concentration of any substance can be expressed in different ways such as molality, molarity,…
Q: What is the final volume (LL) of each of the following diluted solutions? a 8.0 %% (m/v) KOHKOH…
A: 8% m/v KOH solution means 8 g of KOH is present in 100 ml of solution. 20% KOH solution means that…
Q: How many mols of Sulfuric Acid are in 63.5ml of a 3.0M solution
A: Volume = 63.5 ml = 0.0635 L (1L = 1000ml) Molarity = 3.0 M
Q: What is the concentration of a solution formed by diluting 25.0 mL of a 3.8 M glucose solution to…
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Q: The volume required from (12N) HCl to prepare dilute solution(0.6 N), (100ml) is
A: the answer is follows as :
Q: What is the molarity of a solution that contains 120.0g of NaOH dissolved in 3000.0mL of solution?
A: Molarity = no. of moles/ volume of sol in Lt molar mass of NaOH = 40.0g/mol
Q: What is the concentration of a solution made with 0.235 moles of KOH in 400.0 mL of solution?
A: Given, Number of moles of KOH = 0.435 moles Volume of solution = 400.0 ml 1 L = 1000 ml
Q: How many grams of CaCO3 are needed to prepare 400.0ml of a 0.6M solution?
A:
Q: How many grams of sodium hydroxide are required to make 150 mLs of a 0.184 M solution?
A: Molarity of the solution is defined by the ratio of the number of moles of solvent to the volume of…
Q: How much (mL) 2.00 M o f H2SO4 solution is needed to prepare 500. mL of 0.500 M H2SO4 solution,
A:
Q: What mass of quinine sulfate dihydrate is needed to prepare 250-mL of 100.0 mg/mL stock solution of…
A: The stock solution is a solution that is prepared in the bulk for the reaction like titrations. It…
Q: . A true solution is homogenous and said to have only one phase. What is a “phase”? 2. Do you think…
A: Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: What volume (in mL) of concentrated hydrochloric acid is necessary to prepare 10 mL of 1:1 (v/v)…
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Q: choose the aqueous solution that has the highest boiling point
A: Adding a non-volatile solute elevate the boiling point of the resulting solution. The elevation in…
Q: How many grams of H3PO4 are in 321ml of a 1.60 M solution of H3PO4?
A: Since molarity = moles of solute / Volume of solution in L in the above solution solute is H3PO4…
Q: Calculate number of grams required to prepare: 250. mL of a 1.2M(NH4)2SO4 solution. 1.50 Liter of a…
A: Given, 250. mL of a 1.2M(NH4)2SO4 solution.1.50 Liter of a 4.7 x 10-2 M H3PO4 solution
[1b] How much of the concentrated acid is needed to prepare the diluted solution?
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- Prepare 1500mL of 0.5N H2SO4 solution with specific gravity of 1.84g/mL and assay of 97%A 100 g soil containing 20% smectitie mineral matter was mixed with 150 mL solution containing 0.10 M Pb. CEC of pure smectitie is 110 emol(+)/kg. CEC of the soil (cmol(+)/kg) is:A 15.0% by weight solution was prepared using 90.0g of KCl and the resulting density of the solution is 1.101g/mL. (MW KCl 74g/n). volume of solution(mL)? milliosmole of solute? %w/v? weight of solvent(g? N?
- A solution of common salt in water is prepared by adding 50kg of salt to 200kg of water tomake a liquid density of 1250kg/m3. Calculate the concentration of salt in this solution as a: i) Weight(w/w)fraction (Ans: weight fraction 20%)A spent 1.0 percent caustic soda solution (ρNaOH = 8.42 lb/gal) with a volumetric flow rate of 3.0gpm is to be neutralized using either sulfuric acid or hydrochloric acid. First, determine the massflow rate (lb/day) of NaOH in the spent caustic soda solution, and then use that value todetermine the stoichiometric amounts (lb/day) of:1. H2SO4 required for neutralizing the OH− ions contributed by the spent caustic soda.[Hints: (1) write the balanced chemical equation for the acid-base reaction betweenNaOH and H2SO4, and use it to establish the stoichiometric weight ratio H2SO4 : NaOH.]2. HCl required for neutralizing the OH− ions contributed by the spent caustic soda. [Hints:(1) write the balanced chemical equation for the acid-base reaction between NaOH andHCl and use it to establish the stoichiometric weight ratio HCl : NaOH.]Prepare 50ml of approximately 1000ppm Mn stock solution from MnCl2*4H2)
- The solubility of Ni(OH)2 in water at 25c is measured to be 4.9 x 10^-4 g/L. Use this information to calculate Ksp for Ni(OH)2.A Grignard synthesis begins with 10 ml of 3 M Phenylmagnesium Bromide and 1 grams of Methyl Benzoate, the 2.56 g of triphenylmethanol. What is the theoretical and percent yield of the reaction? Assume standard workup.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?
- A 25.00mL wastewater sample was analyzed for its Mg2+ content using a standard gravimetric method. the sample was diluted to 3.00L and an 11.00mL aliquot was treated to precipitate magnesium as MgNH4PO4.6H2O using (NH4)2HPO4 as the precipitating agent. the precipitate was then filtered, washed, dried, and ignited resulting in a 0.1325mg Mg2P2O7 residue. How much Mg (in ppm) is present in the original samplea concentrated H2SO4 has the following composition specific gravity 1.84 and purity of H2SO4 is 97 percent by weight. express in mole/LA stock solution of 70% v/v ethanol was diluted with distilled water to prepare 1L of 21% v/v ethanol. (Density of ethanol = 0.789 g/mL; MW of ethanol = 46 g/mol) Determine the initial volume of 70% v/v ethanol used in the preparation. How much water was added to the stock solution to make 1L of the final concentration? The molarity of 5.0 mL of 70% v/v ethanol was found to be __________.