w your work or your reasoning. How many grams of Green #3 dye (808.84 g/mol) are needed to prepare 5.00 L of a 3.08...
Postlab Questions Show your work or your reasoning, 1. How many grams of Green W3 dye (808.84 g/mol) are needed to prepare 5.00L of a 3.08 x 10-5 M solution? Background The common laboratory acids such as H250. HCI, HNO3, and HC2H302 arrive in the teaching stockroom as very concentrated AQUEOUS solutions that we refer to as concentrated Hoso lag), concentrated HCl(aq), etc. You used con (concentrated) H2SO4(aq) as a catalyst in the preparation of aspirin. Calculate the molarity of...
How many grams of KC2H3O2 are needed to prepare 2.27 L of 0.290M KC2H3O2 solution? (MM KC2H3O2 = 98.14 g/mol) show your work and round your answer to the correct number of sig figs
How many grams of KC2H3O2 are needed to prepare 2.27 L of 0.290 M KC2H3O2 solution? (MM KC2H3O2 = 98.14 g/mol) show your work
1. The molar mass of the crystal violet powder is 407.99 g/mol. How many grams of crystal violet are needed to prepare 2.00 L solution with a concentration of 3.00 x 10'M? Mass of Crystal Violet (grams):
How many grams of water are needed to prepare 250. g of a solution that is 5.00% by mass NaCl?
How many grams of Na2SO4 (142.04 g/mol) are needed to prepare 125.0 mL of 2.50 mM solution of Na+? What's the concentration in ppm of Na+ in this solution?
Calculate how many grams of Na2EDTA dihydrate (, molar mass = 372.24 g/mol) will be needed to prepare 500.0 mL of an EDTA solution that is approximately 0.010 M. (Enter just the numeric value with the proper SFs) Answer in grams
How many grams of CrCl3.6H2O are needed to prepare 50 mL of a 200 g/L solution? Select one: a. 5.0 g b. 10.0 g c. 15.0 g d. 2.5 g e. 0.5 g f. 1.0 g
1.) How many moles of NaOH (aq) are needed to neutralize 3.2 mol H2SO4(aq)? 2.) How many moles of Ba(OH)2 (aq) are needed to neutralize 3L of 0.8 M HCl solution? 3.) What is the volume of 0.5 M H2SO4 solution needed to neutralize 0.15 L of 0.6M NaOH solution? 4.) How many grams of NaOH needed to neutralize 0.25 L of 0.6 M H2SO4 solution? Molar mass of NaOH= 40 g/mol 5.) 2.8g of Ba(OH)2(s) is added to water...
How many grams of NaCl would be needed to prepare 23.11 L of a 1.12 M NaCl solution?