Saturday

April 19, 2014

April 19, 2014

Posted by **Jenn** on Saturday, March 24, 2012 at 12:56pm.

- Science, Chenistry -
**bobpursley**, Saturday, March 24, 2012 at 1:56pmin 10,000L water, that is 10E6 grams. So you must have 130ppm then 1.3kg Ca++ ion.

moles Ca ion= 1300/40

now, find the weight (I assume the writer means mass) of CaSO4.H2O of that same number of moles.

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