General Chemistry Answers

hydrogen gas effuses through a porous container 8.97-times faster than an unknown gas. Estimate the molar mass of the unknown gas. 

A 10.0 mL solution is 0.50 M silver nitrate. What minimum volume (in milliliters) of 0.10M sodium acetate is required to ensure precipitation of silver acetate is required to ensure precipitation of silver acetate given that k_sp (AgCH₃COO) = 4.0x10^-3?

a 10 ml solution is 0.50 m silver nitrate. what minimum volume (in milliliters)in 0.10m sodium acetate is required to ensure precipitation of silver acetate given that ksp(AgCH3COO)= 4.0x10^-3.

How many grams of Ag₂ Cr0₄ will precipitate when 86ml of 0.2 molar Ag₂Cr0₄ is added to 500ml

of 6.3 molar K₂CrO₄? Molar mass of Ag₂CrO4 = 331.74 g/mol

Balanced Equation: 2AgNO3 + K2CrO₄ Ag₂ Cr0₄ + 2KN0₃

 How many grams of Ag2 Cr04 will precipitate when 86ml of 0.2 molar Ag2 Cr04 is added to 500ml

of 6.3 molar K2CrO4? Molar mass of Ag2CrO4 = 331.74 g/mol.

Balanced Equation: 2AgNO3 + K2CrO4 Ag2 Cr04 + 2KN03

 Determine the concentration of a solution (in % by mass, % by volume, % by mass

volume, molarity, molality and ppm) containing 5 grams of NaCI and 50 ml of water.(p of NaCl = 2.1 g/ml,p of water = 1g/ml).What is the mole fraction of NaCI in the solution?

Determine the concentration of a solution (in % by mass, % by volume, % by mass

volume, molarity, molality and ppm) containing 5 grams of NaCI and 50 ml of water. What is the mole fraction of NaCI ¡n the solution?

A scuba tank contains 20.0 L of air at 30°C and 1.5 atm. Assuming that the temperature remains constant, what volume of air is required to fill the tank to a pressure of 40 atm? 

a. How many moles of oxygen gas are required to produce 1.00 mole of water?