A solution contains 2.8 mg of Cu2+ per 0.66 kg solution. Calculate the concentration in ppt. Enter your answer in the provided box
A solution contains 2.8 mg of Cu2+ per 0.66 kg solution. Calculate the concentration in ppt....
A solution contains 4.7 mg of Cu2+ per 1.00 kg solution. Calculate the concentration in ppm. Enter your answer in the provided box.
Ex. A solution contains 2.0 mg Na per 0.60 kg solution. K DG a. Calculate the concentration in ppt PPt-9sulute Cruretn saluttn PpmO.00209 ט 6.ןס 2.0mg0.00209 0.60u9 o00209-x 1000Ppt -60 x/62g Ppt 3.313 6.071049 h Calculate the concentration in ppm
1) Calculate the OH – concentration in a solution that contains 2.8 X 10 –3 M H3O+ at 25 degree celsius
A solution contains 1.0 * 10°ng of Mg2 per 0.050 kg solution. Calculate the concentration in ppb. 10 pts 7.
26. Calculate the molar concentration of uncomplexed Cu2+(aq) in a solution that contains 0.23 mol of Cu(NH3)4+ per liter and 0.4251 M NHz at equilibrium. Krfor Cu(NH3)42 is 4.8 x 1012. a. 2.7 x 10° M b. 1.1 x 10-13 M c. 6.8 x 1011 M d. 1.5 x 10-12 M e. 2.7 x 10-13 M OL-
1. The LD50 of cocaine is 95.1 mg/kg. Calculate the concentration of a solution, in molarity if they drank 1 liter of it. 100 g / 303.346 g/mol = 0.329 mol of cocaine. 0.329 mol/ 1 L= 0.329 M for molarity. Is this correct? 2. Find one other concentration unit [mass/mass (g/g) or mass/volume (g/ml) percentage, ppm or ppb] that would be toxic to a 85 kg person. Assume the density of a solution of your substance is the same...
a) A water sample (density=1.00g/mL, S=0.28g/kg) contains Ca(2+) at a concentration of 42 mg/kg. Calculate the molarity of the ion. b) A water sample with a salinity of 35pptand a density of 1.025g/mL contains Ca(2+) concentration at 0.42g/kg. Calculate the molarity of the ion.
Enter your answer in the provided box. Calculate the emf of the following concentration cell: Mg(s) | Mg2+(0.33 M) || Mg2+(0.68 M) | Mg(s) =_____V
Enter your answer in the provided box. Calculate the emf of the following concentration cell: Mg(s)| Mg2 (0.26 M)I| Mg2*(0.82 M) | Mg(s)
Enter your answer in the provided box. Calculate the emf of the following concentration cell: Mg(s) | Mg2+(0.22 M) || Mg2+(0.57 M) | Mg(s) V