A solution contains 4.7 mg of Cu2+ per 1.00 kg
solution. Calculate the concentration in ppm.
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A solution contains 4.7 mg of Cu2+ per 1.00 kg solution. Calculate the concentration in ppm....
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
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
What is the molar concentration of K+ in an aqueous solution that contains 793 mg/L (ppm) of K3Fe(CN)6? Do not use scientific notation in your answer.
The cathode compartment of a copper concentration cell contains 0.500 L of 1.00 M [Cu2+] solution while the anode compartment contains 0.950 L of 0.0500 M [Cu2"] with a copper electrode in each compartment. How many Coulombs of electric charge can the cell produce before the compartments reach equilibrium at 25°C?
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 solution contains 20 ppm Ca+2. Express the Ca+2 concentration
in the following terms:
21. A solution contains 20 ppm Cat2. Express the Ca+2 concentration in the following terms: a. g Cat2 in 1,000,000 mL water (mL = 0.001 L) b. g Cat2 in 100 mL water c. % Cat2 in the 100 mL water d. mg Ca 2/kg water (mg = 0.001 g = 0.000001 kg) e. molarity (M or moles Cat2/L).
The cathode compartment of a copper concentration cell contains 0.500 L of 1.00 M [Cu2+] solution while the anode compartment contains 0.800 L of 0.0500 M [Cu] with a copper electrode in each compartment. How many Coulombs of electric charge can the cell produce before the compartments reach equilibrium at 25°C?
Part E If the pH of the solution is 4.7, calculate the molar concentration of H+(aq) in the solution. Express your answer using one significant figure. Part F If the pH of the solution is 4.7, calculate the molar concentration of OH-(aq) in the solution. Express your answer using one significant figure.
A student prepares a caffeine standard solution that has a concentration of 1858 ppm. To prepare a calibration curve, the student pipets various volumes of the standard solution into 50.0 mL volumetric flasks and dilutes to the fill line with water. The absorbance of each solution is measured in a 1.00 cm cuvette using the spectrophotometer and is shown in the table below. Calculate the concentration of each solution and create a calibration curve using the absorbance data provided. Based...
Suppose you find the concentration in your home is 57 ppm by volume at 1.00 atm pressure and 25 °C. What is the concentration in mg/L and in ppm by mass. (The average molar mass for dry air is 28.96 g/mol at 1.00 atm pressure and 25 °C.) what is Concentration = mg /L what is Concentration = ppm