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Why shouldn't the experiment be stopped at that time instead of waiting 75 minutes for the solvent to move 10cm?
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What will be the likely error if a student discovered that the total amount of material recovered weighed more than the original sample?
The student didn't completely dry down the solvent. The student may apply heat to evaporate the water or solvent amount of material extracted. Or depending on the experiment, you can first re filter the final product then heat it to evaporate any water or solvent that was left behind.
What is the universal solvent of the alchemist?
water is the universal solvent now
What is solvent?
A solvent is the substance being dissolved. A solute is the substance which does the dissolving.
What is pentane used for?
It is a solvent.
How can you dissovle a substance faster?
substance dissolve faster in a solvent? A catalyst can make a substance dissolve faster in a solvent. Increase temperature.
What is the solvent in an experiment?
The solvent is the liquid you will be using if you are dissolving something in the experiment.
What is a solvent in a experiment?
the solvent is the material that dissolves the solute in an experiment. for example, if you are making cool-aid, the cool-aid powder would be the would be the solute, and the water would be the solvent.
What might have been the product ratios observed in this experiment if an aprotic solvent such as dimethyl sulfoxide had been used instead of water?
the product would not react it would take longer to precipate
What solvent will remove epoxies?
I work and experiment with adhesives all the time, and have not yet found any solvent that will remove epoxies.
What is the biggest safety hazard in an extraction experiment?
Solvent vapor and possible toxics.
What is the measure of the amount of solute dissolved in the solvent?
Solubility of the material in the given solvent. EG, salt in water at 25 deg. C would be such an experiment.
What is the solvent in an instrument made of 80 percent brass and 20 percent zinc?
Since brass is, itself, a mixture, it is not the solvent. Instead, the solvent is usually copper.
What is another solvent that can be used instead of beta-mercaptoethanol?
dithiothreitol
How do you find the solvent in millimeter?
You don't. When you make a solution, the solvent is measured by volume; most likely milliliters instead of millimeters.
How can you increase the speed in which substance dissolves?
1) increase the solvent's temperature 2) add more solvent 3) stir (have the solvent and solute meet together more instead of letting the solute rest at the bottom of the solvent)
What happens when too much of a solute is added to a solvent?
If by "too much of a solute" you mean past the solute's solubility point, then the solute will not dissolve and instead precipitate and sink beneath the solvent. If you create a supersaturated solution, the solute will crystallize in the solvent until the remaining solute creates a saturated solution with the solvent.
What term is used to describe a test tube with water instead of an enzyme?
A solvent.
