You need to prepare a solution of .25 M HCl for the experiment you are doing...
You need to prepare a solution of .25 M HCl for the experiment you are doing today. You only have the commercially available concentrated HCl (28 % w/w) on hand. The experiment requires using HCl at three points, each using a volume of 15 milliliters. Describe how you would prepare the required amount of HCl (in exact quantities of stock HCl and water) prior to doing the experiment. Assume the density of water and the HCL solution (which is mostly water) is exactly 1.0 g/ml.
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You need to prepare a solution of .25 M HCl for the experiment
you are doing...
general chemistry experiment requires the use of 2.00 M HCl, which must be prepared by diluting...
general chemistry experiment requires the use of 2.00 M HCl, which must be prepared by diluting stock 11.9 M HCl. Miguel wishes to prepare 650 mL of the dilute solution. How many mL of the concentrated solution must Miguel use? Miguel must use ___ mL of the concentrated solution. (Miguel had also better wear goggles while performing the dilution!)
How would you prepare 10 mL of a 0.25 M HCl solution if 1 M HCl was available?
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What volume is required to prepare 350 mL of 0.1 M HCl solution if we have a concentrated HCl of 40% by mass and density 1.2 g / mL?
PROCEDURE 1. Prepare three 100 mL beakers for this experiment. Use the molecular weights on the bottles to calculate the amount of solid to use. a. *b. Prepare 25 mL of a 10 M NaOH solution (concentr...
PROCEDURE 1. Prepare three 100 mL beakers for this experiment. Use the molecular weights on the bottles to calculate the amount of solid to use. a. *b. Prepare 25 mL of a 10 M NaOH solution (concentrated NaOH solution). Calculate the amount of solid NaOH needed to make. *c. Prepare 50 mL of a 20 mM histidine solution (calculate the amount of solid histidine needed to make it, m.w. 209.6 g/mol). In the fume hood, add 3 drops of concentrated...
An experiment calls for you to use 100 mL of 0.20 M HNO3 solution. All you...
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Please I need help with number 54 and 61 please An aqueous NaCl solution is made...
Please I need help with number 54 and 61 please
An aqueous NaCl solution is made using 112 g of NaCl diluted to a total solution volume of 1.00 L. Calculate the molarity, molality, and mass percent of the solution. (Assume a density of 1 08 g/mL for the solution.) An aqueous KNO_3 solution is made using 72.5 g of KNO_3 diluted to a total solution volume of 2.00 L. Calculate the molarity, molality, and mass percent of the solution....
You have 659.3 mL of a stock solution 4.660 M HCl. For a particular experiment, your...
You have 659.3 mL of a stock solution 4.660 M HCl. For a particular experiment, your lab partner prepared a diluted solution for you to use. In her notes, you read: " Using a volumetric pipet, took 246.54 mL of stock solution and diluted it to 739.21 ml in a volumetric flask. Then, took 100.00 mL of that solution and diluted it to 194.63 mL in a second volumetric flask. " What is the concentration that you should report for...
A concentrated solution of HCl has a molarity of 7.75 M. You add 25.00 mL to...
A concentrated solution of HCl has a molarity of 7.75 M. You add 25.00 mL to a flask and then dilute with water. The mass of the final solution is 125.0 g. What is the mass percent of HCl ?
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PROCEDURE 1. Prepare three 100 mL beakers for this experiment. Use the molecular weights on the bottles to calculate the amount of solid to use. a. *b. Prepare 25 mL of a 10 M NaOH solution (concentrated NaOH solution). Calculate the amount of solid NaOH needed to make. *c. Prepare 50 mL of a 20 mM histidine solution (calculate the amount of solid histidine needed to make it, m.w. 209.6 g/mol). In the fume hood, add 3 drops of concentrated...
Please I need help with number 54 and 61 please
An aqueous NaCl solution is made using 112 g of NaCl diluted to a total solution volume of 1.00 L. Calculate the molarity, molality, and mass percent of the solution. (Assume a density of 1 08 g/mL for the solution.) An aqueous KNO_3 solution is made using 72.5 g of KNO_3 diluted to a total solution volume of 2.00 L. Calculate the molarity, molality, and mass percent of the solution....
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