The formula of the phosphate of an element R is RPO4, then the formulae of its hydroxide and sulphide, respectively, are _______ and ________ .
(1) R(OH)3 and R3S2 (2) R(OH)2 and R2S3
(3) R(OH)2 and R2S3 (4) R(OH)3 and R2S3
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1
Answer:
R2S3 is your answer
Explanation:
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Answer:
4
Explanation:
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