When 90. grams of C6H12O6 is mixed with 180 grams of H2O, the mole fraction of water is
0.50
0.95
0.50
0.90
When 90. grams of C6H12O6 is mixed with 180 grams of H2O, the mole fraction of...
Calculate the mole fraction of C2H5OH if 28.0 grams of it are mixed with 150 grams of water.
A solution contained 27.4 g of N2H4CO, 4.3 g of C6H12O6, and 56.9 g of H2O. Calculate the mole fraction of water.
the liquid and ya the mole fraction in the vapor.) 8. At 90°C, the vapor pressure of pure methylbenzene is 400 Torr and that of pure 1,2- dimethylbenzene is 150 Torr. What the composition of a liquid mixture that boils at 90°C when the pressure is 0.50 atm? What is the composition of the vapor produced?
How many grams of H2O will be formed when 31.78 mol H2 is mixed with 2.64 mol of O2 and allowed to react to form water according to the reaction below? 2H2 + O2 -----> 2H2O (Note: Determine the limiting reagent first)
How many grams of H2O will be formed when 31.78 mol H2 is mixed with 2.64 mol of O2 and allowed to react to form water according to the reaction below? 2H2 + O2 -----> 2H2O (Note: Determine the limiting reagent first) 7.3 g 286 g 23.6 g 94.6 g 144 g
Calculate the mole fraction of Fe when iron(III) chloride hexahydrate is dissolved into 192.404 deionized water. ( The molar mass for water is 18.00 grams and for iron is 55.85 grams.) Mass of iron chloride hexaĥydrate is 270.295 g/mol.
What is the mole fraction of a solute in a solution prepaared with 37.8 g of C6H12O6 dissolved in 482 g of water to make 555 mL of solution? Express your answer in scientific notation.
How many grams of a 5% sulfur ointment must be mixed with 180 grams of 20% sulfur ointment to prepare an 8% sulfur ointment?
1. Rank the following in order of increasing mass: 1.0 mole of methane (CH4), 0.50 mole of water (H2O), 0.20 mole of Fe, and 0.010 mole of U. 2. When heated, calcium carbonate (limestone) undergoes a decomposition reaction. Write a balanced equation for this reaction.
9 ro what is the mole fraction of ethanol, CH CHOI, in a liquor that is 15.0% ethanol by mass? More Practices Calculate the molality of a solution that contains 25 g of H SO, dissolved in 40. g of H2O. What mass of water must be used to dissolve 20.0 grams of ethanol, C:HsOH, to prepare a 0.0500 molal solution of ethanol?