Question

18 The formula of the phosphate of an element
is RPO4, then the formulae of its hydroxide a
sulphide, respectively, are and
(a) R(OH)3 and R3S
(b) R(OH)2 and RS;
(c) R(OH)2 and R3S2
(d) R(OH)3 and RS3 it is of chemistry


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Answer 1

Answer:

I don't know this answer