How many grams of MgSO4 will you need to prepare a solution containing 5.00 mol of MgSO4?
How many grams of MgSO4 will you need to prepare a solution containing 5.00 mol of...
One will prepare a buffer solution of pH =5.00. 1.00 L of a solution containing 1.00 moles of (CH3COOH) with pKa=4.77. How many grams of (CH3COONa) is to be added to the solution?
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 x 10-5 M solution?
How many grams of NaOH do you need to make a IM solution? How many grams of NaOH do you need to make a 3M solution? How many grams of C,H, Nao, do you need to make a IM sodium acetate buffer? How many grams are needed to make 50 mL of 25% HCI? How much water is needed if you are making 800 mL of 20% sodium hypochlorite (bleach) for cleaning a vessel?
How many grams of water are needed to prepare 250. g of a solution that is 5.00% by mass NaCl?
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You need to prepare 5.00 L of an aqueous solution having a pH = 12.50 from Ca(OH)_2. Find the [OH^-] in the solution Find the number of grams of ca(OH)_2 needed to prepare this solution (if you could't solve ,assume a k = FAKE[OH^-] = 0.0225 M. An aqueous solution is prepared by dissolving 0.125 mol of acetic acid HC_2H_2O_2 in 250.0 mL of solution. Find the % ionization of the acid at equilibrium: SHOW ALL WORK
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?
Consider a solution initially containing 0.300 mol of hydrogen fluoride (HF). How many grams of Naf (42.0 /mo vould be needed to set the pH = 3.00? (HF, K, = 7.2 x 10")?
How many grams of NaOH (molar mass = 40.000 g/mol) is required to prepare 100.0mL of 0.125M solution?
How would you prepare 1000 ml of 0.2 M MgSO4 from a stock solution of 2 M MgSO4?
. In preparation of gel electrophoresis, how many grams of SDS do you need to prepare for 2 grams of protein?