You need to make a 500ml of a 20%(w/v) Sodium acetate solution using Na acetate.3H2O which has a fw of 136.080 and an assay value of 99.00%. anhydrous Na acetate has a f.w. of 82.080. how much of the na Acetate.3H2O must you weigh out?
You need to make a 500ml of a 20%(w/v) Sodium acetate solution using Na acetate.3H2O which...
you need to make 250 mL of a 0.75 N sodium Goopate solution. you have Na Gloopate.10H2O with f.w. of 180.000, and has an assay value of 88%. anhydrous Na Gloopate has a f.w. of 100.000. how many grams of Na Gloopate.10H2O must you weigh out?
You need to make 1 liter of a 0.154 N NaCl solution, using NaCl which has a f.w. of 58.44 and an assay value of 97.3%. How many grams of NaCl must you weigh out?
You need to make 550ml of a 6.5% (w/v) sodium nitrite (NaNO2) solution as a food preservative to prevent microbial growth. How many grams of NaNO2 (f.w.=68.995 g/mol) will you need? What is the molarity (M)of this solution?
you need to prepare 100 mL of 5.00%(w/v) glu solution using anhydrous glu (mw 180.000) which has an assay value of 97.6%. How many grams of glu do u need?
you nee to make 1 liter of a 2.00 M solution of glucose using anhydrous glucose which has an assay value of 93.6% how many grams of glucose must you weigh out? (m.w. glucose is 180.000)
how many millimeters of a 90.0% (w/v) NaCl solution will you need to prepare 500mL of a 0.225% NaCl solution? What amount of NaCl (MW 58.44) in grand must be combined with water to prepare 1000mL of a 0.90% (w/v) normal saline solution? What amount of NaHCO3 (MW 88.01) in grams is needed to prepare 5000mL of 0.024 M solution? Please explain - thank you!
you need to make 1 liter of a 1.00 M FeCl3 using FeCl3.6H2O, which has a m.w. of 270.300, and an an assay value of 98.9% how many grams of the FeCl3.6H2O must you weigh out?
A stock solution of 5 M sodium acetate has been made. You want to make a 50 ml 0.33 M sodium acetate solution for your lab bench. How much of the stock solution and water do you need? (ml)
you need to make 250 mL of a 25% soduim Gloopate solution. you have Na Gloopate.10H2O which has a mw of 100.00. how many grams of Na Gloopae.10H2O must you weigh out?
An acetic acid/ sodium acetate buffer solution similar to the one you made in the lab was prepared using the following components: 3.46 g of NaC2H3O2∙3H2O (FW. 136 g/mol) 9.0 mL of 3.0 M HC2H3O2 55.0 mL of water If you take half of this solution and add 2 mL of 1.00 M HCl to it, then what is the pH of this new solution?