A solution is prepared by dissolving 0.6194 g oxalic acid (H2C2O4) in enough water to make 100.0 mL of solution. A 10.00-mL aliquot (portion) of this solution is then diluted to a final volume of 250.0 mL. What is the final molarity of the diluted oxalic acid solution? _____________ mol/L

Q: need help with my chemistry homework! 1. a) Calculate the mass of solid potassium chlorate (KClO3)…

A: Calculate the mass of solid potassium chlorate  required to make 200.0 mL of a 2.00 M solution.…

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Q: 75.0 mL of a 0.435 M solution of HNO3 is diluted to 1200.0 mL. What is the new concentration of the…

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Q: Kai wants to create 0.250 L of 0.200 M potassium permanganate solution. What mass of potassium…

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Q: 3. What is the concentration (molarity) of a solution made from 12.5 g of calcium fluoride and 250mL…

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Q: Choose the best answer. Q1. What mass of K₂CO3 is needed to prepare 200 mL of a solution having a…

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Q: 4. When you dilute a solution, you need to add more to the solution. O solvent dilute O solute O…

A: dilution is a process of decreasing the concentration of the solution.

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Q: Q2. A 47.27 g of Ca(OH)2 is dissolved in water to make 1.0 liters of solution. How many mL of this…

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Q: is the concentration of a solution made by diluting 85 mL of 6.0 M HCl to a final volume of 750 mL?…

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Q: 6. What volume of a 0.65 M solution of sodium chloride could be formed with 0.43 mol of NaCl?

A: Molarity = number of moles / volume of solution (in L) Volume = number of moles/molarity of solution…

Q: The volume of 13.7 M H2SO4 solution required to prepare 285 mL of 1.17 M H2SO4 is _________mL.

A: Here we have to calculate volume of H2SO4 needed to prepare 285 mL, 1.17M H2SO4 solution-

Q: n the laboratory a student combines 28.0 mL of a 0.402 M potassium nitrate solution with 12.0 mL of…

A: Equation for the dissociation of the salts KNO3(aq)→K+(aq)+NO3-(aq)K2S→2K++S2- moles of KNO3 = mole…

Q: A student combined 37.2 mL of 1.69 M KMNO4 solution with 16.10 mL of a 0.891 M KMNO4 solution.…

A: First solution: The volume of KMnO4 solution =37.2 mL  Molarity of KMnO4 solution =1.69 M  Second…

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A: Number of moles of solute present in 1 liter of solution is known as molarity of the solution.

Q: Starting with a 6.861 M stock solution of HNO3, five standard solutions are prepared via serial…

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A: Given that mass of ammonium nitrate is 21.8 g.

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A: Given that:  Molarity of stock NaOH(M1) = 15.5M  Molarity of final NaOH solution(M2) = 2.5M Volume…

Q: answer Q1. What mass of K₂CO3 is needed to prepare 200 mL of a solution having a potassium ion…

A: Solution 1). Molar mass of K2CO3 = 138.2 g/mol Volume of Solution = 200 mL Concentration of K2CO3 =…

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Q: How many milliliters of 0.124 M NaOH solution will exactly react with 25.0 mL of a 0.210 M HCl…

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Q: Choose the best answer. Q1. What mass of K₂CO3 is needed to prepare 200 mL of a solution having a…

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A: Given,  Frequencies; A) 3.00x1013 s-1  B) 4.12x105 s-1 C) 8.50x1020 s-1  D) 9.12x1021 s-1  We have…

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Q: What volume of a 0.270 M hydroiodic acid solution is required to neutralize 20.5 mL of a 0.190 M…

A: The volume of 0.270M HI required to neutralize the 20.5mL of 0.190M KOH is determined by using the…

Q: What is the final volume of a 3.5M NaOH solution if the original solution was 20ml of a 7.0OM NAOH…

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Q: You wish to make a 0.213 M hydrobromic acid solution from a stock solution of 3.00 M hydrobromic…

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Q: The volume of a 1:1500 solution that can be made by dissolving 4.3 g of cetylpyridinium chloride in…

A: 1:1500 solution  of cetylpyridinium chloride indicates that there  are 1g of cetylpyridinium present…

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Q: A 87.0 mL aliquot of a 0.500 M stock solution must be diluted to 0.100 M. Assuming the volumes are…

A: M1 =0.500 M M2 =0.100 M V1 =87.0 ml V2 =to find

Q: How many grams of solute are contained in 200 mL of a 4%(wt/vol) solution? A. 8.0 В. 1.2 С. 0.4 D.…

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Q: 1- 4.0 g of NaOH is dissolved in distilled water to prepare 250 mL solution. If 15.0 mL of this…

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Q: How many milliliters of 11.0 M HCl(aq) a V = are needed to prepare 545.0 mL of 1.00 M HCl(aq)? mL

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Q: What is the final molarity when 250ml 0.35M KBr is mixed with a)150mL water b)150 mL 0.25 Kbr

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Q: References Use the References to access important values if needed for this question. How many mL of…

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