Answer
a) K$_{3}$N
b) Al$_{2}$S$_{3}$
c) Ca(NO$_{3}$)$_{2}$
d) CaSO$_{4}$
Work Step by Step
a) K$_{3}$N
b) Al$_{2}$S$_{3}$
c) Ca(NO$_{3}$)$_{2}$
d) CaSO$_{4}$
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