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Chemistry
What is the solvent in70% of alchol solution?
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It can be anything; in the commecial product it is water.
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How would you prepare 1.00 L of an alchol water solution that is 5.00 vol % alchol.
Top answer:
5.00% v/v is 5.00 mL alcohol/100 mL soln which is 50.0 mL alcohol/1000 mL soln. To do this
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A solution of 0.2113 g of water dissolved in 25.0 g of a solvent freezes at 11.5 °C below the freezing point of the solvent.
Top answer:
see above.
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A solution of 0.2113 g of water dissolved in 25.0 g of a solvent freezes at 11.5 °C below the freezing point of the solvent.
Top answer:
moles H2O = 0.2113/molar mass H2O. Solve for moles. molality = moles H2O/kg solvent. Solve for
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Which of the following results from the presence of a solute in a given solvent?
A. The vapor pressure of the solution is lower
Top answer:
A is right. B is wrong C is wrong D is worng
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Which of the following results from the presence of a solute in a given solvent?
A. The vapor pressure of the solution is lower
Top answer:
nope. A is true. B. The bp is higher. C. The fp is lower D. Since B and C are not true D can't be
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A solution containing 20gm salt in 200gm alchol.if density of solution 11gm/L find mass by volume percentage
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Please check your post. Is 11 g/L density correct?
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a solution of 0.2113 g of water dissolv ed in 25g of a solvent freezes at 11.5 degrees celcius below the freezing point of the
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To find the Kf (freezing point depression constant) for the solvent, we can use the formula: delta T
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What does it mean to say that a solution is saturated with a solute? (Select all that apply.)
a) A solute that is at equilibrium
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When a question like this says to pick all that apply, one never knows exactly how picky to be about
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identify the solute and solvent for this solution:
copper II Sulphate solution The solvent is water. See if you can guess what
Top answer:
To identify the solute and solvent in a solution, you need to know what substance is being dissolved
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how do you turn a saturated solution into an unsaturated one
Add solvent. Some of the solute will dissolve in the added solvent.
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To turn a saturated solution into an unsaturated one, you need to add more solvent to the solution.
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