Among the main components of orange juice are ascorbic acid (C6H8O6), citric acid (C6H8O7), and fructose (C6H12O6). Knowing that 150 mL of a special brand of orange juice has 2.56 x 1022 molecules of ascorbic acid, 15 grams of citric acid and that fructose contributes with 7,28 x 1021 oxygen atoms, and that each glass of orange juice contains 45 mL of orange juice, determine: a. (10 pts.) The number of moles of fructose in 1,4 liters of this kind of orange juice.
b. (10 pts.) The mass in kilograms of ascorbic acid in 400 mL of this kind of juice.
c. (10 pts.) The number of carbon atoms contributed by citric acid when drinking 7 glasses of this kind of juice.
d. (10 pts.) The number of moles of ascorbic acid in 958 mL of this kind of juice.

Chemistry worksheet - i am not sure what they are asking for exactly?

What is the final volume in milliliters when 0.641 l of a 34.0 % (m/v) solution is diluted to 23.5 % (m/v)?

Will give imagine you are given a mystery element. it is, however, a discovered and known element. you may perform a maximum of two observations or tests to determine its identity. time and money is critical, so you need to prioritize your tests. if you can get by with a single test, you get 100 super-geek points from your research lab team. pick your two tests, number them as #1 and #2, and justify why you think these two will certainly be enough (and why the first might well be enough all by itself.) the available tests are classification into metal, non-metal, or metalloid, count of valence electrons, count of electron shells, atomic radius (error range: +/- 1 pm), electronegativity (error range: +/- 0.1), first ionization energy (error range: +/- 10 kj/mole), melting point (error range: +/- 10 c), and boiling point (error range: +/- 20 c).