Waec Chemistry Questions
Question 218:
Which of the following gases will have the highest rate of diffusion under the same conditions? (H = 1, C =12, O = 16, S = 32, CI = 35.5)
View Answer & ExplanationQuestion 220:
What is the number of oxygen atoms in 32g of the gas? (O = 16, L = 6.0 X 10,23 mol-1)
View Answer & Explanation