Percent Concentration as a Conversion Factor
Percent Concentration as a Conversion Factor
How many grams ([pic]) of glucose are in 265 [pic] of a 5.50[pic] (m/v) glucose solution?
Express your answer numerically in grams.
| | |
|[pic] = |[pi|
| |c] |
Part C
You have a solution that is 18.5[pic] (v/v) methyl alcohol. If the bottle contains 1.64 [pic] of solution, what is the volume ([pic]) in milliliters of methyl alcohol?
Express your answer numerically in milliliters.
| |[pic] | |
|[pic] =| |[pic] |
Part D
A 6.00 [pic](m/v) [pic]solution contains 25.6 [pic] of [pic]. What is the total volume ([pic]) of the solution in milliliters?
Express your answer numerically in milliliters.
| | |
|[pic] =| [pic] |
What is the final volume in milliliters when 0.833 [pic] of a 44.8 [pic] (m/v) solution is diluted to 25.0 [pic] (m/v)?
Express your answer numerically in milliliters.
| | |
|[pic] =| [pic] |
Problem 8.44
Part C
A 502 [pic] [pic]solution is diluted to a volume of 1.39 [pic] and a concentration of 7.00 [pic]. What was the initial concentration?
Express your answer numerically in molarity.
| | |
|[pic] =| [pic] |
A bottle of champagne is 12 [pic] alcohol by volume
If there are 790 [pic] of champagne in the bottle, how many milliliters of alcohol are present?
Express your answer using two significant figures.
| | |
|[pic] =|[pic] |
A patient receives 250 [pic] of a 3.0 [pic] (m/v) amino acid solution twice a day.
How many grams of amino acids are in 250 [pic] of solution?
Express your answer using two significant figures.
| | [pic]amino |
| |acids |
Part B
How many grams of amino acids does the patient receive in 1 day?
Express yor answer using two significant figures.
| | [pic]amino |
| |acids |
|If a large piece of dirt, say 10mg, falls into the dish just before the sample is weighed the second time, what effect would |
|this have on the weight of dissolved solids found? Would you expect the concentration of the residue to be higher or lowe than|
|the true value? |
| |
|[pic] [pic] |
| |r |
| |[p|
| |ic|
| If a large amount of water splatters out of the beaker during the evaporation process. How would this affect the final |] |
|result? Would you expect the concentration of the residue to be higher or lower than the true value | |
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