| Sections | |||
|---|---|---|---|
| Solutions, Molarity and Intermolecular Forces | 7 mins | 0 completed | Learn |
| Henry's Law | 20 mins | 0 completed | Learn Summary |
| Calculate Molarity | 27 mins | 0 completed | Learn Summary |
| Mass Percent | 10 mins | 0 completed | Learn |
| Molality | 15 mins | 0 completed | Learn |
| Mole Fraction | 14 mins | 0 completed | Learn |
| The Colligative Properties | 45 mins | 0 completed | Learn |
| Additional Practice |
|---|
| Making Solutions |
| ppm |
| Boiling Point Elevation |
| Freezing Point Depression |
| Colloid |
| Additional Guides |
|---|
| The Freezing Point Depression |
Solution: What is the mole fraction of oxygen gas in air (see the table on the left)?
Problem
What is the mole fraction of oxygen gas in air (see the table on the left)?
Practice Problems
The molecular formula of Vitamin E (tocopherol is ...
A solution of sodium methoxide, NaOCH 3, in water ...
A sulfuric acid solution containing 571.5 g of H2...
The density of acetonitrile (CH3 CN) is 0.786 g/mL...
An aqueous solution contains 32% HCl by mass.Calcu...
What is the mole fraction of methanol, CH 3OH, if ...
What is the mole fraction of ethanol, C 2H5OH, if ...
Calculate the mole fraction of total ions in an aq...
What is the mole fraction of Ethanol in a solution...
A solution is made by mixing equal masses of metha...
A solution is prepared by dissolving 28.4 g of glu...
If the mass of sodium chloride, NaCl (MW = 58.5 g/...
What is the mole fraction of NaCl in a solution th...
A solution is prepared by dissolving 38.6 g sucros...
Which of the following chemical terms is affected ...
What does each of the following statements mean? a...
A solution is made by mixing equal masses of metha...
What is the mole fraction of water in 200 g of 95%...
If the mass of sodium chloride, NaCl (MW= 58.5 g/m...
A solution of phosphoric acid was made by dissolvi...
The molecular formula of Vitamin E (tocopherol) is...
A concentrated solution of glucose (C6H12O6) in wa...
A solution is prepared by mixing 25 mL pentane (C5...
A solution is prepared by mixing 50.0 mL toluene (...
Calculate the molarity and mole fraction of aceton...
A 1.37-M solution of citric acid (H3C6H5O7) in wat...
Ascorbic acid (vitamin C, C6H8O6) is a water-solub...
A solution is prepared by dissolving 28.6 g of glu...
A solution is prepared by dissolving 28.6 g of glu...
A solution is prepared by dissolving 20.2 mL of me...
A solution is prepared by dissolving 20.2 mL of me...
A solution is made containing 21.2 g phenol (C6H5O...
To effectively stop polymerization, certain inhibi...
The density of toluene (C7H8) is 0.867 g/mL, and t...
The normal boiling point of diethyl ether is 34.5°...
A solution is prepared by dissolving 52.3 g cesium...
What are the mole fractions of HNO3 and water in a...
Calculate the mole fraction of each solute and sol...
The normal boiling point of methanol is 64.7˚C. A ...
Calculate the mole fraction of each solute and sol...
Calculate the mole fraction of each solute and sol...
Calculate the mole fraction of each solute and sol...
Calculate the mole fraction of each solute and sol...
Calculate the mole fraction of each solute and sol...
Calculate the mole fraction of each solute and sol...
Calculate the mole fraction of each solute and sol...
Acetonitrile (CH3 CN) is a polar organic solvent t...
Calculate the mole fractions of methanol, CH3OH; e...
Common commercial acids and bases are aqueous solu...
Three gaseous mixtures of N2 (blue), Cl2 (green), ...
A solution contains 0.35 mol of isopropanol (C3H7O...
Three gaseous mixtures of N2 (blue), Cl2 (green), ...
Three gaseous mixtures of N2 (blue), Cl2 (green), ...
Calculate the molarity and mole fraction of aceton...
A solution contains 0.100 mol of NaCl dissolved in...
What mass of cesium bromide must be added to 0.500...
What are the mole fraction and the mass percent of...
Calculate the molality, molarity, and mole fractio...
Water treatment plants commonly use chlorination t...
The solubility of oxygen gas in water at 40 oC is ...
An automobile antifreeze mixture is made by mixing...
An aqueous solution contains 4.6 % NaCl by mass. C...
Common commercial acids and bases are aqueous solu...
A solution is prepared by dissolving 50.5 g sucros...
A solution is prepared by dissolving 50.5 g sucros...
Find the mass of urea (CH4N2O) needed to prepare 5...
Calculate the molality, molarity, and mole fractio...
Caffeine (C8H10N4O2) is a stimulant found in coffe...
Pentane (C5H12) and hexane (C6H14) form an ideal s...
A solution is prepared by dissolving 38.6 g sucros...
Determine the mole fraction of glucose, C6H12O6, (...
In a 66.0-g aqueous solution of methanol, CH 4O, t...
Methanol (CH3OH) and ethanol (C2H5OH) are miscible...
A solution is made containing 14.6 g of CH3OH in 1...A gas mixture contains 0.60 mol of N2, 0.40 mol of...What is the mole fraction of oxygen gas in air (se...An aqueous solution contains 56% NaCl by mass.Part...In a mixture of argon and hydrogen, occupying a vo...
A solution was prepared by dissolving 39.0 g of KC...A solution is made by mixing 109. g of acetyl brom...What is the mole fraction of O2 in this mixture? 1...A solation is prepared by dissolving 15.0 g of NH3...A 10.00 L tank at 0.8 degree C is filled with 16.8...What is the mole fraction of lead(II) nitrate in a...A gaseous mixture contains 406.0 Torr of H2(g), 34...A 5.00 L tank at 30.7°C is filled with 15.2 g of b...A solution is made by mixing 141. g of heptane (C7...
What are the mole fractions of H3PO4 and water in ...
In lab you need to prepare at least 100 mL of each...