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- 950 mL of 1X CuSO₄ * 5H₂O solution from 25X CuSO₄ * 5H₂O solution439 mL of 0.270 M hydrochloric acid is exactly neutralized with 0.920 M potassium hydroxide solution. What volume of base solution is required?40.00 mL of 0.1100 M HCl is diluted to 100 mL with H2O and titrated with 0.1M NaOH. Calculate the pH after addition of the following volumes(mL) of titrant. d) 40.00 e) 43.95 f) 44.00 g) 44.05 h) 50.00. Plot the titration curve. Select an indicator from the table found in your book.
- A 523.1-mg sample of impure KBr is treated with excess AgNO3 and 814.5 mg AgBr (187.774 g/mol) is obtained. What is the purity of the KBr (119.002 g/mol)?You have a 62% dextrose solution. How many mL will give you 35 g of dextrose?How many mL of methadone is needed for a patient who was prescribed 0.015 g of methadone? The vial reads 6 milligrams of methadone per 1 mL of solution.
- given a stock solution of 10% dextrose, how would you make 5 mL of a 0.9% dextrose solution? find mL of stock and mL of h20How many moles of HCl are there in 75.0 mL of 0.160 M HCl?Ethanol is dissolved in water to make 0.750L of solution. Given that the solution is 2.6M, what isthe mass of the ethanol used?
- The prescriber ordered oxacillin 500mg IM q6h. The instructions on the 2g vial state to reconstitute the powder with "11.5mL of sterile water for injection, yielding 250mg/1.5mL" Whatis the strength of the reconstituted solution? How many milliliters would you administer?If 4.00 L of ethyl alcohol at 18.0 ⁰C is exposed to a temperature of 25.0 ⁰C, what is the resulting volume? (Alcohol: β = 1100x10⁻⁶ / ⁰C) * a. 4.03 L b. 4.31 L c. 0.308 L d. 0.0308 LHow many moles of tungsten(VI) oxide and hydrogen were required to produce the 5.00 g of tungsten?