Question

Gypsum is a hydrate of calcium sulphate 1g of sample contains 0.791g of CaSo4 how many moles of CaSo4 are there in the sample assuming rest of sample is water how many moles of water are there in the sample show the result is consistent with the formula CaSo4.2H2O

Answer 1

Answer:

Explanation:

apply law moles

172 gm contains 136 caso4

0.791 gm contains 0.625 gm of caso4

moles of caso4 = 0.0046

Answer 2

Explanation:

Here is your answer

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