0.499g 0f CuSO4.xH2O when heated to constant weight gave a residue of 0.346g. the value of x is? (Cu = 63.5, S = 32.0, O = 16, H = 1)

  • A 0.5
  • B 2.0
  • C 3.0
  • D 4.0
  • E 5.0

The correct answer is D. 4.0

No explanation given
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