Category: Uncategorized

Calculate the mass of Hydrogen (H2) gas that occupy 8.0 L at rtp.

Calculate the mass of Chlorine (Cl2) gas that occupy 28 L at STP.

How many milliliters should be withdrawn from a stock solution of HNO3 with a concentration of 0.7 M to prepare a 0.2 Liter of this solution with a concentration of 0.3 M?  

a 25 L cylinder containing a sample of Nitrogen gas at a pressure equal to 95 Kpa, if this sample is compressed resulting in decreasing its volume to 21.3 L. Calculate the final pressure of this gas.  

As the pressure applied to a sample of gas is doubled, the volume of the gas

How many grams of Na2SO4 are required to prepare a solution of Na2SO4 with a molarity of 0.5 M and a final volume equal to 150 ml? MW of Na2SO4 = 142 g/mol

How many grams of Na2SO4 are required to prepare a solution of Na2SO4 with a molarity of 0.2 M and a final volume equal to 200ml? MW of Na2SO4 = 142 g/mol

A 100 ml solution contains 4.8 g of AgNO3, Calculate the molarity of this solution. MW of AgNO3 = 169.9 g/mol        

A cylinder, equipped with a piston, containing a nitrogen gas with a volume equal to 22.3 L at 90.2 Kpa, if the piston is moved down resulting in increasing the pressure to 115 Kpa. Calculate the new volume?

A cylinder containing a sample of nitrogen gas with a volume equal to 20 L, if this sample is compressed to a triple value of its initial pressure, calculate the final volume of this gas.