Calculate the number of O atoms in 0.178 g of CaSO4 * 2H2O
Plaster of Paris, CaSO4 • ½ H2O(s), reacts with liquid water to form gypsum, CaSO4•2H2O(s). a. Write a balanced chemical equation for this reaction. b. Use the information provided below to determine if the formation of gypsum is spontaneous under standard state conditions. *Please show all of your work on your pdf; you can leave this answer box blank if you want.* Substance ΔG°f (kJ/mol) H2O (g) -228.61 H2O (l) –237.2 CaSO4 • ½ H2O(s) –1435.2 CaSO4•2H2O(s) –1795.7
The Ksp of Caso4 is 4.93x 10-5 Calculate the solubility (in g/L) of Caso4(s) in 0.250 M NazSO4(aq) at 25 °C. Number g/L Which salts will be more soluble in an acidic solurtion than in pure water? PbCl2 PbSO □ CaCO3
When 3.44g of the mineral gypsum, CaSO4⋅xH2O, is heated to 128∘C, 2.90g of CaSO4⋅1/2H2O is obtained. What is the value of x in the formula of gypsum?
Class Exercise: 1) Calculate the number of C, H, and O atoms in 1.50 g glucose (C6H1206)
The Ksp of CaSO4 is 4.93× 10-5 M2. Calculate the solubility (in g/L) of CaSO4(s) in 0.350 M Na2SO4(aq) at 25 ℃.
Calculate the solubility (g/L) of calcium sulfate, CaSO4 in units of grams per liter. Ksp(CaSO4) = 2.4E-5
Calculate the number of atoms in a 7.52 x 10 g sample of carbon. atoms atoms
Ca(OH)2 +H2SO4 ---> CaSO4 +2H2O What is the net ionic equation ?with steps
Calculate the following: a. number of atoms in 8.71 g F2 b. number of molecules in 14.9 g N2O5 c. number of Ca2+ ions in 9.23 g Ca3(PO4)2
Calculate the number of H atoms present in a 5.00 g sample of NH3 (g)?