Dissolve 0.1601 g of BaCl2 (MM=208.23 g/mol) in 230.00 mL of water. The concentration of Ba(MM=137.33 g/mol) in ppm is?
Dissolve 0.1601 g of BaCl2 (MM=208.23 g/mol) in 230.00 mL of water. The concentration of Ba(MM=137.33...
Determining the Concentration of a BaC12 Solution A 5.00 mL solution of BaCl2 dissolved in water weighed 5.094 g. After the water was removed by heating 0.103 g of BaCl2 remained. Using the formulas on page 38 in the lab manual calculate the following knowing that BaCl2 is the component. What is the density of the BaCl2 solution in g/mL? ubmit Answer Tries 0/99 Percent-by-mass of the BaCl2 in the solution: Stlemit Answer lTrie /9 Concentration of BaCl in the...
If you dissolve 412 mg sucrose (formula weight: 342.29 g/mol) in 60 mL of water: a. What is the concentration of sucrose in mM in µM? b. If you take 5 mL of this solution and dilute it to 250 mL, what is the concentration of the glucose in the resulting solution in µM? c. How many nano moles of sucrose are present in 10 mL of the diluted solution?
If you dissolve 412 mg sucrose (formula weight: 342.29 g/mol) in 60 mL of water: a. What is the concentration of sucrose in mM in µM? b. If you take 5 mL of this solution and dilute it to 250 mL, what is the concentration of the glucose in the resulting solution in µM? c. How many nano moles of sucrose are present in 10 mL of the diluted solution?
In an experiment, you dissolve 0.30 g of KHP (MM = 204.22 g/mol) in 20 mL of DI water and titrate the sample with 0.10 M NaOH. Calculate the volume (to the nearest mL) of NaOH required to reach the equivalence point. a) 3 ml b) 15 ml c) 20 ml d) 30 ml e) 100 ml
7) Small amounts of the metal barium (Ba, MW = 137.33 g/mol) can be produced by electrolysis. The half-reaction for the production of barium metal is Ba²+ + 2e Ba Electrolysis is carried out using a current i = 15.0 amp (1 amp - 1 C/s). How long (in minutes) will it take to produce 16.0 g of barium metal? [12 points)
7) Small amounts of the metal barium (Ba, MW = 137.33 g/mol) can be produced by electrolysis. The half-reaction for the production of barium metal is Ba2+ + 2 e → Ba Electrolysis is carried out using a current i = 15.0 amp (1 amp = 1 C/s). How long (in minutes) will it take to produce 16.0 g of barium metal? [12 points]
urgent 7) Small amounts of the metal barium (Ba, MW = 137.33 g/mol) can be produced by electrolysis. The half-reaction for the production of barium metal is Ba²+ + 2 e → Ba Electrolysis is carried out using a current i = 15.0 amp (1 amp = 1 C/s). How long (in minutes) will it take to produce 16.0 g of barium metal? (12 points)
5.3307 g of Na2CrO4 (MW 161.97 g/mol) is dissolved in 1000.0 mL of water. Assuming the solution has a density of 1.00 g/mL, what is the concentration of Na (MW 22.9898 g/mol) in the solution in units of a) molarity (M)? Number b) parts per thousand (ppt)? Number ppt c) 25.0 mL of the solution is then diluted to a final volume of 500.0 mL. What is the concentration of Na* in the diluted solution in units of parts per...
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?
A 5.9957 g sample of Na, CrO, (MW = 161.97 g/mol) is dissolved in 1000.0 mL of water. Assume the solution has a density of 1.00 g/mL What is the concentration of Na* (MW = 22.9898 g/mol) in the solution in units of molarity (M)? concentration: М What is the concentration of Na+ in the solution in units of parts per thousand (ppt)? concentration: ppt A 50.0 mL aliquot of the solution is then diluted to a final volume of...