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- Describe the preparation of 800 mL of 2 M HCl from the commercial reagent that is 37.5% HCl (%w/w) and and has density of 1.17g/mL.Describe the preparation of 750 mL of 6.00 M H3PO4 from the commercial reagent that is 85% H3PO4 (w/w) and has a specific gravity of 1.69.Describe the preparation of 750 mL of 5.30 M H3PO4 from the commercial reagent that is 86% H3PO4 (w/w) and has a specific gravity of 1.71. Take ? mL the concentrated reagent and dilute to ? mL with water.
- Describe the preparation of 100 mL of 8.0 M H2SO4 from a concentrated solution that has a specific gravity of 1.84 and is 40% (w/w) H2SO4 (98.06g/mol).What weight of HCl is present in 30mL of hydrochloric acid of specific gravity 1.19 and contains 37.5% by weight of HCl?determine the mass of sodium chloride required to prepare a 500ml of Mueller-Hinton broth solution supplemented with 6.5%(wt/vol) sodium chloride solution
- Describe the solution's preparation: i) 250 mL of 0.0750 M AgNO3 from the solidreagent ii) 500 mL of 4.75 % (w/v) aqueous ethanol iii) 250 mL solution of 25 ppm of Na+ from solid sodium sulfate (Na2SO4)4. What volume of dilute nitric acid of density 1.11g/mL and 19% nitric acid by weight contains in 10g nitric acid. 5. Given 200cm3 of pure water at 40C, what volume of a solution of hydrochloric acid whose density is 1.175g/cm3 and containing 344.4% HCl by weight, could be prepared?6. How many grams of Na2CO3 are needed to prepare 500cm3 of a solution containing 10.0mg of CO32- per cm3?7. What volume of 0.300M H2SO4 is required to exactly neutralize 200mL of 0.500M NaOH?2NaOH + H2SO4 Na2SO4 + 2H2OStock phosphoric acid solution is 85% H3PO4 and has a specific gravity of 1.70 . Hence, the molarity of H3PO4 solution that is prepared by diluting 15.0 mL aliquot of H3PO4 stock solution to 135 mL H2O is?
- a concentrated H2SO4 has the following composition specific gravity 1.84 and purity of H2SO4 is 97 percent by weight. express in mole/L12 g of compound “Y” dissolves in 10 ml of acetone at 25 oC and 0.85 g of the same compound dissolves in 10 ml of boiling acetone. What volume of acetone would be required to purify a 5.0 g sample of compound?Describe the preparation of 500 ml of 5.75% (w/v) aqueous glycerol (C2H5OH).