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5) If 219.75 mL of a 8.016 M NaCl solution is diluted to a volume of 315.0 mL, what is the final concentration of the dilute solution? 6) Mixing 613.7 mL of 0.816 M Fe(NO3), with excess (NH.),CO, solution, how many grams of Fes(CO), will precipitate? 2 Fe(NO) (0) + 3 (NH),CO, (aq) - Fex(CO), ( + 6 NH.NO, (4)
If you dilute 17.0 mL of the stock solution to a final volume of 0.260 L , what will be the concentration of the diluted solution?
4. To what volume should you dilute 25 mL of a 10.0 M HCl solution to obtain a 0.250 M solution? Show your work Final Answer 5. Seawater has a concentration of 0.60 M NaCl. The acceptable amount of NaCi in drinking water is 9.0 g/L. How much pure water should be added to 2.50 L of seawater for it to be safe for human consumption? Show your work Final Answer
17. What volume of 0.345 M NaCl solution is needed to obtain 10.0 g of NaCl? 18 How many milliliters of a 0.0015 M cocaine hydrochloride (C17H22ClNO4) solution is needed to obtain 0.010 g of the solute? 19.. A solution having an initial concentration of 0.445 M and the initial volume of 45.0 mL is diluted to 100.0 mL. What is its final concentration? 20. A 50.0 mL sample of salt water that is 3.0% m/v is diluted to 950...
please answer, thank you! 2. If you prepared a 0.15 M CH3CO2H - 0.15 M CH3CO,Na buffer, would you expect the resulting buffer capacity to be higher, lower, or the same as the buffer you prepared in Part II (0.25 M CH,CO2H-0.25 M CH3CO Na buffer) of this lab? Be specific and use your data, Part II: Dilute Buffer Volume of CH.CO.Il.ml Molarity of CH.CO. Hmolel Beaker #1 10.00 ml 50 M Beaker #2 10.00 ml 0.50 M 0 Moles...
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...
Question 14 QUESTION 13 What is the final pH if 36.0 mL of 0.15 M of NaOH is added to 90.0 mL of 0.80 M acetic acid? Ky for acetic acid is 1.8 x 10-5, CH3COOH(aq) + OH(aq) + H2O(l) + CH3COO (aq) Note: No quadratic. Need ICE table QUESTION 14 The Ksp for Mg(OH)2 is 1.8 x 10-11. What is the concentration, in M, of OH ions in a saturated solution of Mg(OH)2? 52x104 1.7×104 3.3 x 10-4 26x104
In your kinetics assay, you combine 2.7 mL of 0.10 M NaCl and 0.1 mL of 30 µg/mL lysozyme dissolved in 0.10 M NaCl. If the final volume of your assay is 5.0 mL, what's your final concentration of NaCl?
dilution If I add 25 mL of water to 125 mL of a 0.15 M NaOH solution, what will the molarity of the diluted solution be? (Your answer should be written as 0.XXX with no units) Question 2 0.2 pts If I add water to 100 mL of a 0.15 M NaOH solution until the final volume is 150 mL, what will the molarity of the diluted solution be? (Your answer should be written as 0XXX with no units) Question...
1. A series of dilute NaCl solutions are prepared starting with an initial stock solution of 0.100 M NaCl. Solution A is prepared by pipeting 10 mL of the stock solution into a 250-mL volumetric flask and diluting to volume. Solution B is prepared by pipeting 25 mL of solution A into a 100-mL volumetric flask and diluting to volume. Solution C is prepared by pipeting 20 mL of solution B into a 500-mL volumetric flask and diluting to volume....