A student placed 18.5 gg of glucose (C6H12O6C6H12O6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100.-mLmL mark on the neck of the flask was reached. The flask was then shaken until the solution was uniform. A 40.0-mLmL sample of this glucose solution was diluted to 0.500 LL. How many grams of glucose are in 100. mLmL of the final solution

1. suppose a reaction mixture, when diluted with water, afforded 300 ml of an aqueous solution of 30 g of the reaction product malononitrile [ch2(cn)2], which is to be isolated by extraction with ether. the solubility of malononitrile in ether at room temperature is 20.0 g/100 ml, and in water is 13.3 g/100 ml. what weight of malononitrile would be recovered by extraction with (a) three 100-ml portions of ether and (b) one 300-ml portion of ether? suggestion: for each extraction, let x equal the weight extracted into the ether layer. in part (a), the concentration in the ether layer is x/100 and in the water layer is (30 x)/300; the ratio of these quantities is equal to k 20/13.3.

How many molecules are found in 1.32 mol of nacl?

Table sugar completely dissolved in water is an example of a?