Chemistry

posted by .

on heating the hydrate CaSO4*2H2O, how many moles of water should be driven off per mole of hydrate?

1 mole?

  • Chemistry -

    Wouldn't it be 2 moles water per 1 mole CaSO4?

  • Chemistry -

    Ah, yes. I reversed it
    Thank you!

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. chem

    a 2.50g sample of hydrate of calcium sulfate losses 0.523g of water when heated. what is the mass percent of water in the hydrate and the formula for the hydrate difference of the two masses divided by the initial mass. I believe Adam …
  2. chemistry

    In the experiment, a hydrate is heated to form an anhydrate. The masses of the before and after are measured and the percent of the water in the hydrate is calculated. If some of the hydrate spatters out of the crucible and isnt noticed, …
  3. Chemistry

    CaSO4.2H2O ==> CaSO4 + 2H2O moles CaSO4.2H2O = 15.00 g x (1 mole CaSO4.2H2O/172.172) = 0.08712 moles. moles CaSO4 = same. grams CaSO4 = moles CaSO4 x molar mass CaSO4 = ?
  4. chemistry 11

    Hi, I am stuck on a couple questions in chemistry 11. The questions are 1. Calculate the number of moles of the anhydrous salt left behind 2. Calculate the number of moles of water removed by heat from your sample of hydrate. 3. Calculate …
  5. chemistry

    A 2.50 g sample of a hydrate of calcium sulphate losses 0.523 g of water when heated. Determine the mass percent of water in the hydrate and the formula of the hydrate.
  6. Chemistry

    Below are the formulas of some hydrates. what is the mole ratio of salt to water?
  7. Chemistry

    A sealed flask contains 1 mole of hydrogen and 3 moles of helium gas at 20DC. If the total pressure is 40kPa, what is the partial pressure of the Hydrogen gas?
  8. chemistry

    Epsom salts, a strong laxative used in veterinary medicine, is a hydrate, which means that a certain number of water molecules are included in the solid structure. The formula for Epsom salts can be written as MgSO4 ยท x H2O, where …
  9. Chemistry

    Predict the effect of each of the following by mass of water in the hydrate and the chemical of the hydrate?
  10. Chemistry grade 11

    Okay I've got a HUGE chem test tomorrow and I desperately need help! Please help!!!! 73. Hematite (Fe2O3) and magnetite (Fe3O4) are two ores used as sources of iron. Which ore provides the greatest percentage of iron per kilogram?

More Similar Questions