Properties of Period 3 elements and their oxides

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Question 1 of 50 · 3 parts, 5 marks0:00

The chart shows the approximate pH of the solution or mixture formed when each Period 3 oxide is added to water.

(a)
Write an equation for the reaction of sodium oxide with water and give the approximate pH of the solution formed.
[2]
(b)
Write an equation for the reaction of sulfur trioxide with water and give the approximate pH of the solution formed.
[2]
(c)
Explain why the mixture formed when aluminium oxide is added to water has a pH of about 7.
[1]

type on the lines, or write it on paper