Effect of catalyst (Experiment)

Effect of concentration (Experiment)

Effect of total surface area (Experiment)

Experiment-to determine the empirical formula of Magnesium Oxide

Experiment-to determine the empirical formula of Copper(II) oxide

Try this out 5 - Empirical formula

A sample of aluminium oxide contains 1.08 g of aluminium and 0.96 g of oxygen. What is the empirical formula of this compound?  [ A_r: O, 16; Al, 27 ]

(Ans: Empirical formula = Al₂O₃ )

Try this out 4 - Volume to mass

Calculate the mass of 2.8 dm³ of naphthalene, C₁₀H₈ at STP.                                                                      

[Relative atomic mass: C=12; H=1; 1 mole of gas occupies 22.4 dm³ at STP]

(Ans: 16 g)