Respuesta :
Convert a 0.9% glucose solution to g/ 100 ml.
How many grams of glucose would you need to add to 1 liter of water to make a 0.9% glucose solution? Use dimensional analysis.
If you had a 0.9% glucose solution how many mol/L do you have? Calculate glucose’s molecular weight first and then use dimensional analysis to calculate your final answer.
If you had a 0.9% glucose solution how many osmoles/L do you have? You have to take into account how many particles glucose dissociates into.
If you had a 0.9% NaCl solution how many osmoles/L do you have? You have to take into account how many particles NaCl dissociates into.
Answer:
If we consider a solution density of 1 g/ml, it is 0.9 g/100ml
Explanation:
A solution 0.9% glucose can be expressed as follows:
[tex]\frac{0.9 g glucose}{100 g solution} \\[/tex]
If the density of the solution (at a given temperature) is 1 g/ml, the solution concentration can be calculated as follows:
[tex]\frac{0.9 g glucose}{100 g solution} . \frac{1 ml solution}{1 g glucose} = \frac{0.9 g glucose}{100 ml solution}[/tex]
So, to calculate a solution concentration in g/ml from a %w/w concentration you have to only divide it into the solution density. Remember that solution density depends on the temperature.