How could you prepare 500 mL of a 6.0 M NaOH solution using solid NaOH pellets? What is the percent (m/v) concentration of a 6.0 M NaOH solution?
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How could you prepare 500 mL of a 6.0 M NaOH solution using solid NaOH pellets? What is the percent (m/v) concentration of a 6.0 M NaOH solution?
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- If a pharmacist needs to prepare a bacterial suspension with a concentration of 2.4x10^2 cfu using 1 mL of 2.4 x 10^4 bacterial suspension, what size of volumetric flask will she/he be needing?What is the final volume of NaOH solution prepared from 100.0 mL of 0.500 M NaOH if you wanted the final concentration to be 0.150 M?A 35 mL of solution of hydrochloric acid is neutralized by 15 mL of 0.5 M potassium hydroxide. What is the concentration of hydrochloric acid? The balanced equation is HCI + KOH - H,O + KCI O 0.75 M O 0.25 M O 0.214 M O 0.786 M
- Calculate the pH of the resulting solution if 23.0 mL of 0.230 M HCl(aq) is added to 33.0 mL of 0.230 M NaOH(aq). pH = Calculate the pH of the resulting solution if 23.0 mL of 0.230 M HCl(aq) is added to 13.0 mL of 0.330 M NaOH(aq). pH=You need to make 20 mL of a 1/100 (10-2) dilution of a crystal violet solution? How much diluting fluid will be required? Note: Your answer should be in numerical format to the nearest 0.1 mL.A 5% dextrose in 1/2 normal saline (D5 1/2 NS) solution is commonly administered to patients needing post-operative IV fluids. How could you prepare 500 mL of this solution? Dextrose is 5% (m/v) and the NaCl is 0.45% (m/v).
- Titration of a 12.0 mL solution of HCl requires 22.4 mL of 0.12 M NaOH. What is the molarity of the HCl solution?How many grams of NaOH would you need to make 3,982 mL of a 3 M NAOH solution (m.w. = 40.00 g/mol)? Report your answer in the requested units to the nearest 2 decimal places (Example "40.02"). Do not report the units in your answer; enter the numbers only. It is recommended that you do not round between calculation steps.What would be the working stock concentration (in molarity) if you diluted 250 uL of a stock concentration of 10 uM in a total volume of 1 mL?
- How many ml 2M NaOH would it take to neutralize 20 ml of 0.5M HCI?I want to make a buffer solution containing 1 M glycene pH = 10 (Na+), 1 mM ZnCl2 , 1 mM MgCl2. I have the stock solutions 1 M glycene, 1 M MgCl2, 1 M ZnCl2, and 10 M NaOH. My final volume of buffer solution needs to be 250ml. how much (in ml) of each solution should i put into my buffer?How many grams of NaOH are needed to make 50 mL of a 0.02 g/mL NaOH solution? How many grams of HCl are needed to make 10 uL of a 0.005g/mL acid solution? How many grams of CuSO4 would you use to make 1 L of an 8 g/L CuSO4 solution? 12 grams of glucose will make how many mL of a 0.5 g/mL solution? If you mix 9 g of NaOH with 90 mL of water, what is the mass/volume (g/mL) concentration of the solution?