A student obtained a low value when he attempted to measure the number of waters of hydration in a sample of calcium sulfate. Which of the following mistakes could lead to the erroneous result?
W) The sample was not heated enough
X) The sample was heated too much
Y) A balance that gave uniformly high readings was used
Z) A balance that gave uniformly low readings was used
✔️Answer:W) THE SAMPLE WAS NOT HEATED ENOUGH
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