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
thank you vmuch...
Calculate how many grams of Na2EDTA dihydrate (, molar mass = 372.24 g/mol) will be needed...
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 NaCl (1 molar mass = 58.44 g/mol) are required to make 350 mL of a 1.25 M NaCl solution
How many grams of NaOH (molar mass = 40.000 g/mol) is required to prepare 100.0mL of 0.125M solution?
How many grams of the primary standard sodium carbonate, Na2CO3 (molar mass=105.99g/mol) is needed to react with 19.4 ml of 0.15 M HCL?
How many grams of MgCl2 (molar mass = 95.2 g/mol) should be added to 300 grams of water to give a solution that freezes at -3.00°C? Kf of H2O is 1.86°C/m.
How many grams of a gas with a molar mass 36.02 g/mol would be required to occupy a 1894 mL flask at 1 atm and 90.3 degrees Celcius? Record your answer in scientific notation to 2 decimal spaces.
please help due tonight 10. What mass (in grams) of NaCl (molar mass = 58.4 g/mol) is needed to create 250.0 ml. of a 1.50 M NaCl solution (6 points)
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 Na3PO4 (MW = 164 g/mol) are needed to make 282.3 mL of solution that is 0.200 M sodium?
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?