Answer to Question #261366 in General Chemistry for Luffy

Question

In a study of glass etching, a chemist examines the reaction between sand (SiO2) and hydrogen fluoride at 150°C:

SiO2(s) + 4HF(g) ⇌SiF4(g) + 2H2O(g)

Predict the effect on [SiF4] when

(a) H2O(g) is removed.

(b) some liquid water is added.

(c) HF is removed.

(d) some sand is removed.

Answer 1

a) SiF4 will be hydrated

b) SiF4 will turn to SiF4O2