H3PO4 Identify the nucleophile: H2PO41- H2O H30* H3PO4 A E

If I add 15mL of water to 8 grams of sugar in a volumetric flask, then swirl it to dissolve the sugar. Then add more water up to the 25 mL line, what is my total volume. I have the weight of the flask before and after as well.

4. How many milliliters of sulfuric acid labeled 96% w/w, (sp.gr. 1.80) will be needed to make 12 fl oz of 5% w/v sulfuric acid?   a 10.3 mL   b 18.5 mL   c 24.2 mL   d 33.3 mL   e 17.7 mL

A nursing floor requires half liter of 50% isopropyl alcohol. How many millimeters of 70% isopropyl alcohol will be needed for compounding this order?

Questions 15 through 20 pertain to the following medication formula: Here is the formula a pain and inflammation reducing ointment. Methyl salicylate (sp gr = 1.167) 60 mL Lidocaine 4% (w/w) Tween:Span mix (1:4 mix) Polypeg Base 10 g QS to 0.5 kg You receive an order to make 3 solid ounces of this product. Answer the following questions pertaining to producing 3 solid ounces of the product. 15. Volume of methyl salicylate, in milliliters. 16. Weight of lidocaine in grams. 17. Weight of Tween in milligrams. 18. Weight of Span, in milligrams. 19. Weight of Polypeg base, in grams. 20. What is the final concentration of methyl salicylate, as a percent concentration (w/w)?

How much water must be evaporated from a 60 oz, 5% saline solution to produce a 25% saline solution? Round your final answer to 1 decimal place if necessary. oz

MULTIPLE CHOICE: Choose the letter of the best answer Please answer all questions correctly 1. The standardization of volumetric solution does not require hydrochloric acid. A. Permanganometry B. Cerimetry C. Iodimetry D. lodometry E.All of the choices 2. In the standardization of its volumetric solution, the primary standard is dried to constant weight, which means drying shall be continued until two consecutive weighings do not differ by more than 0.50 mg. A. Permanganometry B. Cerimetry C. Iodimetry D. lodometry E.All of the choices 3. In the standardization of its volumetric solution, potassium iodide was added to A. Permanganometry B. Cerimetry C. Iodimetry D. lodometry E.All of the choices 4. Starch is the indicator of choice for these procedures because it forms intense blue coloration with the solution. A. Permanganometry B. Cerimetry C. Iodimetry D. lodometry E. C and D 5. In the standardization of its volumetric solution, the reaction needs to be…

please help me find the mmol for this one.  Name Molecular Weight  Amount Used  mmol Equivalents  Density  Acetonitrile 41.04 3mL     .786g/mL

Using densities from the MSDS for 1-heptanol and 2-heptanol, calculate the volume in mL needed to add 1.000g of each, and use those as your starting volumes.

2. Bimatoprost is available as a 0.03 % (w/v) ophthalmic solution. How many micrograms of bimatoprostare present in a 15 mL bottle?