Posted by Jenn on Saturday, March 24, 2012 at 12:56pm.
in 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.
Related Questions
math - A tank contains 50 gallons of a solution composed of 90% water and 10% ...
math - Tank 1 initial contains 70 L (liters) of water and 450 g of salt, while ...
Physics - A./_\ B.\_/ C.|_| The three tanks shown above are filled with water to...
Re post water in tanks problem - A./_\ B.\_/ C.|_| The three tanks shown above ...
Math - How would you go about solving this problem? A 2000 L tank containing 550...
chem - a 2.50g sample of hydrate of calcium sulfate losses 0.523g of water when ...
Chemistry II - A storage tank containing 1.6x10^4 Liters of water is found to be...
College Math - a conical tank is 15 feet deep and has an open top whose radius ...
Math - Beginning with a tank containing 8075 gallons of gasoline, more gas is ...
science - a large fiberglass tank was placed in a pit, before pipes could be ...
For Further Reading
