Q: Calculations 1. What is the mass of the NaOH pellets needed to prepare 100 mL of 1.0 M NaOH (stock…
A: The molar mass of Soiuum = 23g/mol The molar mass of O = 16g/mol The molar mass of H = 1g/mol
Q: How many ml of 4.00 M stock solution are needed to make 50.1 ml of 7.8 M solution ?
A: Molarity is defined as number of moles of solute dissolved per litre of the solution. We use…
Q: 2. If a 50 mL solution of 2 mg/mL glucose has 20 mL of water added to it, have these changed? Please…
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Q: How many grams of solid would be left behind if 0.041 mL of 0.550 M KCl solution was evaporated to…
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Q: What is the molar concentration of 765 mL aqueous solution with 25.0 g NaCl dissolved in it?
A: Answer:- This question is answered by using the simple concept of calculation of molar concentration…
Q: Be sure to answer all parts. How would you prepare 275 mL of a 0.926 M NaOH solution, starting with…
A: Given information: Concentration of stock solution = 5.26 M Concentration of NaOH = 0.926 M Volume…
Q: Question 2. A solution has a concentration of What is its concentration in ppm?
A: Given, concentration of solution = 0.5 mg/ml Concentration in ppm = ? ppm is parts per million
Q: QUESTION 2 How many moles of solute are present in 300. mL of a 0.60 M solution of NaOH?
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Q: Consider the molecule tetrahydrocannabinol (?21?30?2), or THC: How many moles of THC are present…
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Q: 5. A 10 mL solution of 3 M HCl is diluted to 50 mL. What is the concentration of the 50 mL solve
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Q: How many ml of a 0.50 M MgCl2 solution would you need to create a 100 ml solution containing 0.100 M…
A: Given: [MgCl2], M1 = 0.50 MVolume of MgCl2 solution, V1 = ??volume of Cl- solution, V2= 100ml[Cl-] ,…
Q: How many milliliters of 10.0M HCl are needed to make a 350 mL solution of HCl with a Molarity of…
A: Given data,Molarity of concentrated HCl=10.0MMolarity of diluted HCl=0.67MVolume of diluted…
Q: How would you make 100. mL of a 0.200 M solution of NaCl starting with a stock solution of 5.0 M?
A: 5.0 M solution of NaCl which has to be diluted into 0.200 M to about 100 mL.
Q: QUESTION 2 What is the molarity of 81.991 grams of NaOH dissolved in 1.06 liters of solution?
A: Given is, Mass of NaOH = 81.991 g Volume of solution = 1.06 L And , Molar mass of NaOH = 39.997…
Q: How many grams of HF are contained in 350. mL of a .35 M solution of HF? type your answer...
A: Mass of HF can be calculated as follows
Q: You are instructed to prepare 500 mL of a solution that is 1.5 M NaOH. You have available a stock…
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Q: Question 7 A solution contains 5 grams of sodium chloride per 0.2 liters of water. Choose the best…
A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…
Q: Question 6 Which of the following solutions is the most dilute? O 0.75 M NaOH O 12 M NAOH O 4.2 M…
A: NOTE: you have asked multiple question ,As per guidelines we are supposed to answer first…
Q: What volume of water is required to make a 0.03 M MgCl2 solution staring with 4.95 g of MgCl2.…
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Q: How many grams of KOH are there in 0.520 L of a 0.033 M KOH solution?
A: Molarity=Number of molesVolume in liter of the solution
Q: You need to make 500 mL of a 0.20 M KCl solution. How many grams of KCl do you need?
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Q: 2.What is the molarity if a 900. mL solution of HCl was made using 1.45 g of HCl? Numerical answer:…
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Q: QUESTION 3 A student makes a solution by dissolving 25.4 g of NaOH into 450 g of water. What is the…
A: Given, Mass of NaOH = 25.4 g Mass of water = 450 g
Q: QUESTION 3 How many grams of sodium hydroxide are in 1.14 liters of a 0.42 M solution?
A: This question belong to some basic concept of chemistry that is mole concept. We have solved this…
Q: A 10 ml solution of 3 M HC1 is diluted to 50mL. what is the concentration of the 50mL solution?
A: Given information: Concentration of solution 1 = 3 M Volume of solution 1 =10 ml Volume of solution…
Q: QUESTION 8. What is the molarity of a solution containing 15.6 g of KCl in 274 mL of solution?
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Q: A chemist wants to make 100 mL of a 0.500 M solution of NaCl. How many milliliters of the 1.2M…
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Q: A chemist wants to make 2.5 L of a 0.100 M KCl solution. How much KCl in grams should the chemist…
A: 2.5L = 2500ml 0.1 M = 1/10 M Molar mass of KCl = 74g 1M 1000ml solution = 74g of KCl
Q: Calculate the molarity of 0.9 moles of MgCl, in 2.6 L of solution. Report your answer with 3 decimal…
A: The molarity of a solution is defined as the number of moles of solute present per liter of…
Q: I need help solving the following question If 4mL of a 3 M aqueous NaCl solution are diluted with…
A: Given that : The volume of NaCl = 4 mL The concentration of NaCl = 3 M The volume of the water = 26…
Q: Be sure to answer all parts. How many moles of NaCl are contained in each volume of aqueous NaCl…
A: [a.] 6.9 L of a 0.24 M solution Number of Moles of NaCl = Molarity × Volume of soln (in L ) = 0.24…
Q: How much of a 14.0 M HNO3 solution should you use to make 860.0 mL of a 0.250 M HNO3 solution?
A: Given, initial Molarity = 14.0 M Initial Volume = ? Final Volume = 860.0 mL Final Molarity = 0.250 M…
Q: How many grams of NaCl is needed to make 236.5 mL of a a 3.04 M solution? Answer to 1 decimal place.
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Q: QUESTION 5 When 1.7905 liters of a 8.2447 M NH3 solution is diluted to make a 1.9303 M solution, how…
A: Given: The initial molarity of the solution = 8.2447 M The initial volume of the solution = 1.7905 L…
Q: Question 6 Determine the concentration of a 187 L solution that contains 0.33 moles of NaCN. -…
A: Volume of solution = 187 L Moles of NaCN = 0.33 moles
Q: Show your solution please How many ml of a 5M stock solution of NaCl are needed to prepare 200 ml…
A: Given;
Q: what is the concentration of a solution made with 0.360 moles of KOH in 400.0 mL of solution?
A: Molarity is a term used for concentration which shows the moles of solute dissolved per liters of…
Q: What volume of water is required to make a 0.09 M MgCl2 solution staring with 0.33 g of MgCl2.…
A: We know that, Molarity = Number of moles/Volume (L) Number of moles = Given mass/Molar mass Molar…
Q: How many moles of NaCl are in 1.20 liter of a 2.5 M NaCl solution?
A: The answer to the following question is-
Q: Calculate the molarity of 45.2 g of table sugar (C12H22O11) in 100. mL of solution. Answer in M.
A: Given, Mass of table sugar = 45.2g. Volume of solution = 100mL. Moles of table sugar can be…
Q: A student is to prepare a 250.-mL solution of 1.0 M glucose (C6H12O6, 180.16 g/mol). Question= A…
A: Given Concentration of Stock glucose solution = 1.0 M Total final volume of solution = 200 mL Final…
Q: 4. Calculate the amount of calcium carbonate (mg) not in solution if a tablet is dissolved in 250 mL…
A: The given information is: Volume of water = 250 ml Amount of calcium per tablet = 600 mg. Calcium…
Q: How many mL of 0.10 M NaOH solution contain 3.0x10^-3 mol NaOH?
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Q: Be sure to answer all parts. How would you prepare 475 mL of a 0.736 M NaOH solution, starting with…
A: This problem can be solved by using the molarity equation: M1V1 = M2V2 where M1 and V1 are the…
Q: How many grams of HCl are in 250. mL of 0.100 M HCl?
A: In order to find the mass of HCl present we first write down the given data: Volume of the solution=…
Q: 1) Listen What will be the final volume of water you need to add to 550 mL of a 2.8 M KCI solution…
A: Problems on molarity
Q: 5. Ten grams of acetic acid (CH3COOH) is dissolved in 500.0 mL of solution. What molarity results?
A: A 1 molar solution contains 1 mole of a compound dissolved in a 1-litre volume of solution. Molarity…
Q: Question 2 How do you call an aggregate of molecules in a colloidal solution which is the product of…
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Q: How many liters of a 0.70 M HCl solution are necessary to obtain 85 g of HCl.
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Q: Be sure to answer all parts. How would you prepare 195 mL of a 0.816 M NaOH solution, starting with…
A: M1 = 5.19 M, M2 = 0.816 MV1 = ?, V2 = 195 mLM1V1 = M2V2Volume of stock solution = V1 = M2V2/M1=…
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- A student is to prepare a 250.-mL solution of 1.0 M glucose (C6H12O6, 180.16 g/mol). Question= A student wishes to prepare 200.-mL of 0.50 M glucose solution. What volume (mL) of the stock 1.0 M glucose solution is needed?QUESTION 8. What is the molarity of a solution containing 15.6 g of KCl in 274 mL of solution?To prepare 500. mL of 1.0 M solution, how many moles of solute would be needed? Question options: 2.0 mol 0.20 mol 0.50 mol 1.0 mol
- QUESTION 10 Calculate the resultant Molarity ( M ) when 2.50 L of water is added to 500.0 mL of 12 M NaoH solution?In lab you are required to make 250.0 mL of a 1.1 M NaOH solution. How many grams of NaOH should you measure out to make the solution?About how much NaNO3 will precipate out of solution when a saturated solution containing 140 g is cooled from 75 degrees to 30 degrees? Question 2 options: 95 g 40 g 45 g 0 g
- QUESTION 40 A salt solution was made by combining 45g of NaCl with 125g of water. What is the percent concentration (m/m) of the NaCl solution? 26% 36% 3.78% 2.78%Say you have 1.50 M MgS0₄ solution and you need 200. mL of 0.600 M MgS0₄. How can you prepare this dilution?Two cleaning solutions are on the shelves of a local grocery store. Both solutions have the same amount of solute. Solution #1 contains 500 mL of water and solution #2 contains 800L. Which solution is more concentrated? Question 13 options: Solution #2 because it contains more water Both solutions have the same concentration Solution #1 because it contains less water More information is needed
- A hydrochloric acid solution is 25.0% HCl (by mass). If one bottle of this product contains 124 g of HCl, how many grams of solution does this bottle contain? Question options: 31.0 g 310. g 20.2 g 496 gQuestion:- how to do 1:100 dilution for 100ml of a solution?A 5.00 M NaCl “stock” solution is available. How would 300 mL of a 0.100 M NaCl solution be prepared?