Chemistry Answers

If 50 ml of 0.3 F HAc is mixed with 100 ml of 0.1 F KOH, what is the hydronium-ion concentration of the resulting solution?

What is the pH of the solution?

If 3 g of ammonium chloride and 2 g of ammonia are dissolved in sufficient

water to produce 500 ml of solution, calculate the hydroxide-ion concentration of the solution. What is the pH of the solution?

To 500 ml of 0.05 F H2S solution is added 50 ml of 3 F acetic acid solution. What is the sulfide ion concentration of the resulting solution?

How many calcium atoms, Ca, are in 8.34 mol of calcium? 

when o.210gm of a compound containing only hydrogen and oxygen was burned,0.66ogm of co2 was recoverd.what is the emperical formula of the compound.the determination of the density of this hydrocarbon gave value of1.87gm/liter at 237k and 1atm.what is the molecular formula of the compound

what is a property of phenol that aids it in carrying out its uses

Which of the following is an empirical formula?

A. C6H6

B.C6H6O2

C.H2P4O4

D.C2H6SO

E.H2O2

500 liters of gas in a flexible-walled container are prepared at 700 mmHg and 200°C. The gas is placed into a tank under high pressure. When the tank cools to 20°C, the pressure of the gas is 30 atm. What is the volume of the gas?

A gas has a volume of 800 mL at 23°C and 300 torr. What would the volume of the gas be at 227°C and 600 torr of pressure?

Determine the molality of 3460.00 grams of solution containing 73.3 grams of Potassium Chloride