Question

The mole fraction of dissolved tricholoroethylene (molecular weight 131 g/mol) is 3x10^5. Determine its concentration in...

  1. The mole fraction of dissolved tricholoroethylene (molecular weight 131 g/mol) is 3x10^5. Determine its concentration in the units of mg/L.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
9 mg of glucose is dissolved in 5 ml of water. the molecular weight of glucose...
9 mg of glucose is dissolved in 5 ml of water. the molecular weight of glucose in 180 g/mol. what is the concentration of glucose in units of micromolars?
If 100 g of air consists of 77% by weight of nitrogen (N2, molecular weight =...
If 100 g of air consists of 77% by weight of nitrogen (N2, molecular weight = 28), and 23% by weight of oxygen (O2, molecular weight = 32), calculate (a) the mean molecular weight of air, (b) mole fraction of oxygen, (c) concentration of oxygen in mol/m3 and kg/m3, if the total pressure is 1.5 atm and the temperature is 25°C.
In the absorption of component A (molecular weight = 60 g/mol) from an airstream into an...
In the absorption of component A (molecular weight = 60 g/mol) from an airstream into an aqueous solution, the bulk compositions of the two adjacent streams at a point in the apparatus were analyzed to be PA,G = 0.1 atm and CA,L = 1 kmol of A/m3 . The Henry’s Law constant was 0.85 ATM/mole fraction. The overall gas coefficient was KG = 0.27 kmol/m2/h/ATM. If 60% of the total resistance to mass transfer resides in the gas film, determine:...
The mole fraction of a certain nonelectrolyte compound in a solution containing only that substance and...
The mole fraction of a certain nonelectrolyte compound in a solution containing only that substance and water is 0.100. The molecular weight of water is 18.0 g/mol. What additional information is needed to determine the molality of the solution? 1.) The molecular weight of the compound. 2.) The density of the solution. 3.) The density of the solute. 4.) No additional information; the molality can be calculated from the information given. 5.) The mole fraction of water in the solution.
Acetic acid (molecular weight = 60.05 g/mol) and sodium acetate (molecular weight = 82.03 g/mol) can...
Acetic acid (molecular weight = 60.05 g/mol) and sodium acetate (molecular weight = 82.03 g/mol) can form a buffer with an acidic pH. In a 500.0 mL volumetric flask, the following components were added together and mixed well, and then diluted to the 500.0 mL mark: 100.0 mL of 0.300 M acetic acid, 1.00 g of sodium acetate, and 0.16 g of solid NaOH (molecular weight = 40.00 g/mol). What is the final pH? The Ka value for acetic acid...
The molecular weight of vincristine, a pharmaceutical drug, is 923.04 g/mol. It is supplied in 1...
The molecular weight of vincristine, a pharmaceutical drug, is 923.04 g/mol. It is supplied in 1 mg per vial. You want to treat your culture cells with a final concentration of 7 hM vincristine and will need 12 mL of cells for your experiment. You only want to add 21 mL of vincristine solution to your cells. What concentration should you make your stock solution of vincristine in order to make this 21 uL addition?The molecular weight of vincristine, a...
1. Which of the following are equivalent to a concentration of 1 Molar? 1 mol in...
1. Which of the following are equivalent to a concentration of 1 Molar? 1 mol in 100 mL 1% (weight per volume) 58.44 g of NaCl (molecular weight = 58.44) dissolved in water to give 1 L of solution 58.44 g of NaCl (molecular weight = 58.44) dissolved in water to give 100 mL of solution 1 x 106 μM 5.84 g of NaCl (molecular weight = 58.44) dissolved in water to give 100 mL of solution 1000 mM 1...
A solution was prepared by dissolving 155.0g of 245 g of water. Calculate the mole fraction...
A solution was prepared by dissolving 155.0g of 245 g of water. Calculate the mole fraction of KCl(the formula weight of KCl is 74.6 g/mol. The formula weight of water is 18.0g/mol). Express the mole fraction of KClto two decimal places.
The molecular mass of MgCl2 is 95.2 g/mole. If 190.4 g of MgCl2 is dissolved in...
The molecular mass of MgCl2 is 95.2 g/mole. If 190.4 g of MgCl2 is dissolved in 1kg of pure water, what is the normality (in eq/kg of Mg2+ and Cl-) of the solution?
What is the mole fraction of water in a solution that is 36.8 % by weight...
What is the mole fraction of water in a solution that is 36.8 % by weight ethylene glycol? The molar mass of ethylene glycol, HOCH2CH2OH, is 62.07 g/mol.