How would you make 100 ml of an aqueous solution with a 0.25 M concentration of a compound that has a molecular weight of 200 daltons?
a. Add 0.25 grams of the compound to 100 ml of water.
b. Add 250 grams of the compound to 100 ml of water.
c. Take 250 grams of the compound and add water until the volume equals 100 ml.
d. Take 50 grams of the compound and add water until the volume equals 100 ml.
e. Take 5 grams of the compound and add water until the volume equals 100 ml.
Answer: E