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please solve and show work and give the moles needed for NaCl and
grams needed for...
7.28 Initial Volume of NaCl solution in cylinder, (mL) Volume of NaCl solution remaining in cylinder,...
7.28 Initial Volume of NaCl solution in cylinder, (mL) Volume of NaCl solution remaining in cylinder, (mL) Volume of NaCl solution transferred to dish, (mL) Mass of dish, (g) Mass of dish and NaCl solution, (g) Mass of NaCl solution, (g) Mass of dish and dried Naci, (g) Mass of dried NaCl, (g) Density of solution, (g/mL) Percent NaCl (m/m), (%) Percent NaCl (m/v), (%) Molarity of NaCl, (moles/L) 1.78 5.50 79.25 85.75 6.50 80.95 1.70 1.18 262 309 Molarity....
Molarity. This is a two step calculation. First you must find the number of moles of...
Molarity. This is a two step calculation. First you must find the number of moles of solute in your solution. Then divide the number of moles solute by the volume of solution expressed in L. 1 mol NaCI g solute) ( mol Naci g Nai M=(- mol NaCI L solution M An alternate solution allows you to perform the calculation of molarity in a single step by starting with the ratio of grams of solute to the volume of solution....
What Molarity of NaCl would give a 300mOsm solution so as to be isotonic to ECF...
What Molarity of NaCl would give a 300mOsm solution so as to be isotonic to ECF and ICF Set up and solve for X: (cross multiply) 300 mOsm X 2000 mOsmTM Try this on your own, then read on. Show work here: You should have an answer of 0.15 M. If you don't: please ask for help. You need to be able to get that calculation for the next part. Now find the number of grams per liter needed to...
For each of the following HCl solutions, the moles or grams of solute present and the...
For each of the following HCl solutions, the moles or grams of solute present and the total solution volume are given. Calculate the molarity of each solution. a.-1.40 moles HCl, 1.45 L solution b. 0.850 mole HCl, 0.867 L solution c. 30.0 g HCI, 1.45 L solution d. 30.0 g HCI, 875 mL solution 8-53 For each of the following KOH solutions, the moles or 8-54 re b. S.00gvae c. 25.0 g NaCI, 137.0 g H2O d. 729 mg NaCl,...
1. Write the formula (or definition) in letters first, rearrange if needed to isolate the variable...
1. Write the formula (or definition) in letters first, rearrange if needed to isolate the variable for which you are solving, then substitute in the numbers. Remember significant figures and units! A. A solution was made by dissolving 32.0 grams of sucrose in 150.0 grams of water. Find the m/m %. B. An experiment required a 2.0% (m/v) NaBr solution. If a student measures a 25.0 mL sample of this solution, how many grams of NaBr will the solution contain?...
please show work 1. A patient received 6 Og of NaCl in 12 hours. How ma were delivered? (3 points) w many milliliter...
please show work
1. A patient received 6 Og of NaCl in 12 hours. How ma were delivered? (3 points) w many milliliters of a 0.90%(m/v) NaCl (saline) solution 8. Calculate the molarity (M) of 350g of NaOH in 240.OmL of solut in 240.0mL of solution. (3 points) 9. What volume in liters is needed of a 3.5M NaOH solution to obtain 1.8moles of NaOH? (3 points) caste the grams of solute, NaNO3, needed to prepare 225ml of a 4.00M...
2. Determine the molarity of the unknown NaCl solution. Show all work. 3. Determine the mass...
2. Determine the molarity of the unknown NaCl solution. Show all work. 3. Determine the mass of NaCl dissolved in the unknown NaCl solution. Show your work. Table 2. Common lon Effect: Determination of Unknown Naci Volume of unknown solution, mL [Ag"],M Mass of AgCl(s), 56,685 mL 100 176997 200, 648
Data Table B: Dilution 5.5 M Assigned Molarity » Volume of 2.00 M NaCl added to...
Data Table B: Dilution 5.5 M Assigned Molarity » Volume of 2.00 M NaCl added to flask (mL) 7 Mass of evaporating dish (9) Procedure Part B 8 Volume of solution (L) Mass of evaporating dish and diluted solution (9) Mass of diluted solution (g) 10 Volume of diluted solution (L) 11 • Reset the experiment. Using the concentration of the stock found with the purple tool from before and the desired final volume of 1.00 L and final concentration...
1. You prepare a NaCl solution by dissolving making 250mL solution out of 0.1409 g of...
1. You prepare a NaCl solution by dissolving making 250mL solution out of 0.1409 g of NaCl (MW = 58.443 g/mol). You use this solution to standardize a Hg(NO3)2 solution. The volume of Hg(NO3)2 needed to titrate 10 mL of NaCl is 4.017 mL what is the molarity of the a Hg(NO3)2 solution? Note: Hg2+ + 2 Cl → HgCl2 2. Using the Folin-Wu tungstic acid method you pipet 10 mL of a serum sample and precipitate the protein (Note:...
I know, the answers but don’t know how to show my work for the questions below,...
I know, the answers but don’t
know how to show my work for the questions below, someone please
help!
Experiment 17A (43 of 127) Experiment 17A: Standardizing a Solution of Sodium Hydroxide Flask Trial 1 Trial 2 Initial Buret Reading, ml 0.00 mL 15.45 mL Final Buret Reading, mL 15.45 mL 30.00 mL 14.55ml Volume NaOH dispensed 15.45 ml Grams of KHP 0.785 g 0.736 g Moles of KHP Molar Mass of KHP = 204.23 g/mol 0.00384 0.00360 0.00360 0.247...
7.28 Initial Volume of NaCl solution in cylinder, (mL) Volume of NaCl solution remaining in cylinder, (mL) Volume of NaCl solution transferred to dish, (mL) Mass of dish, (g) Mass of dish and NaCl solution, (g) Mass of NaCl solution, (g) Mass of dish and dried Naci, (g) Mass of dried NaCl, (g) Density of solution, (g/mL) Percent NaCl (m/m), (%) Percent NaCl (m/v), (%) Molarity of NaCl, (moles/L) 1.78 5.50 79.25 85.75 6.50 80.95 1.70 1.18 262 309 Molarity....
Molarity. This is a two step calculation. First you must find the number of moles of solute in your solution. Then divide the number of moles solute by the volume of solution expressed in L. 1 mol NaCI g solute) ( mol Naci g Nai M=(- mol NaCI L solution M An alternate solution allows you to perform the calculation of molarity in a single step by starting with the ratio of grams of solute to the volume of solution....
What Molarity of NaCl would give a 300mOsm solution so as to be isotonic to ECF and ICF Set up and solve for X: (cross multiply) 300 mOsm X 2000 mOsmTM Try this on your own, then read on. Show work here: You should have an answer of 0.15 M. If you don't: please ask for help. You need to be able to get that calculation for the next part. Now find the number of grams per liter needed to...
For each of the following HCl solutions, the moles or grams of solute present and the total solution volume are given. Calculate the molarity of each solution. a.-1.40 moles HCl, 1.45 L solution b. 0.850 mole HCl, 0.867 L solution c. 30.0 g HCI, 1.45 L solution d. 30.0 g HCI, 875 mL solution 8-53 For each of the following KOH solutions, the moles or 8-54 re b. S.00gvae c. 25.0 g NaCI, 137.0 g H2O d. 729 mg NaCl,...
1. Write the formula (or definition) in letters first, rearrange if needed to isolate the variable for which you are solving, then substitute in the numbers. Remember significant figures and units! A. A solution was made by dissolving 32.0 grams of sucrose in 150.0 grams of water. Find the m/m %. B. An experiment required a 2.0% (m/v) NaBr solution. If a student measures a 25.0 mL sample of this solution, how many grams of NaBr will the solution contain?...
please show work
1. A patient received 6 Og of NaCl in 12 hours. How ma were delivered? (3 points) w many milliliters of a 0.90%(m/v) NaCl (saline) solution 8. Calculate the molarity (M) of 350g of NaOH in 240.OmL of solut in 240.0mL of solution. (3 points) 9. What volume in liters is needed of a 3.5M NaOH solution to obtain 1.8moles of NaOH? (3 points) caste the grams of solute, NaNO3, needed to prepare 225ml of a 4.00M...
2. Determine the molarity of the unknown NaCl solution. Show all work. 3. Determine the mass of NaCl dissolved in the unknown NaCl solution. Show your work. Table 2. Common lon Effect: Determination of Unknown Naci Volume of unknown solution, mL [Ag"],M Mass of AgCl(s), 56,685 mL 100 176997 200, 648
Data Table B: Dilution 5.5 M Assigned Molarity » Volume of 2.00 M NaCl added to flask (mL) 7 Mass of evaporating dish (9) Procedure Part B 8 Volume of solution (L) Mass of evaporating dish and diluted solution (9) Mass of diluted solution (g) 10 Volume of diluted solution (L) 11 • Reset the experiment. Using the concentration of the stock found with the purple tool from before and the desired final volume of 1.00 L and final concentration...
1. You prepare a NaCl solution by dissolving making 250mL solution out of 0.1409 g of NaCl (MW = 58.443 g/mol). You use this solution to standardize a Hg(NO3)2 solution. The volume of Hg(NO3)2 needed to titrate 10 mL of NaCl is 4.017 mL what is the molarity of the a Hg(NO3)2 solution? Note: Hg2+ + 2 Cl → HgCl2 2. Using the Folin-Wu tungstic acid method you pipet 10 mL of a serum sample and precipitate the protein (Note:...
I know, the answers but don’t
know how to show my work for the questions below, someone please
help!
Experiment 17A (43 of 127) Experiment 17A: Standardizing a Solution of Sodium Hydroxide Flask Trial 1 Trial 2 Initial Buret Reading, ml 0.00 mL 15.45 mL Final Buret Reading, mL 15.45 mL 30.00 mL 14.55ml Volume NaOH dispensed 15.45 ml Grams of KHP 0.785 g 0.736 g Moles of KHP Molar Mass of KHP = 204.23 g/mol 0.00384 0.00360 0.00360 0.247...
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