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what mass of cucl2 is contained in 75.85 g of a 22.4% by mass solution of cucl2 in water?
draw the lewis structure of CCL2S
A voltaic cell consists of Mn/Mn2+ and Cd/Cd2+ half-cells containing equal volumes of solutions with the following initial concentrations: [Mn2+] = 0.090 M; [Cd2+] = 0.073 M.
if 2.3g of sodium reacted with 1.8 of water what would be the total mass of sodium hydroxide and hydrogen
what is heat capacity. write a simple procedure for determining the heat capacity of your calorimeter
Silver metal crystallizes in a face-centered cubic structure. The radius of the silver atom is 144.5 pm. Calculate the density of the metal in g/cm3.
Calculate the molar solubility of the following compounds from the Ksp values given, Zn(OH)2
a mixture of 7.50 g he and 29.5 g ne has a pressure of 750. mm hg. what is the partial pressure of each of the
Calculate the pH at the equivalence point for the titration of 0.100 M methylamine
A water sample contains 118mg/L of bicarbonate ion, 19mg/L of carbonate ion, and has a pH of 9.5. What is the alkalinity of this water expressed as mg/L of CaCO3
Consider a piece of gold jewelry that weighs 9.95 and has a volume of 0.695 . The jewelry contains only gold and silver, which have densities of 19.3 and 10.5 , respectively. If the total volume of the jewelry is the sum of the volumes of the gold
Diprotic Acids and Solution Equlibria, A 1.200 M solution of HCl is added to a solution containing 0.150 moles of sodium phosphate (Na3PO4). The resulting solution is then diluted to exactly 0.500 L
a 55.0g piece of copper wire is heated, and the temperature of the wire changes from 19.0C to 86.0C. The amount of heat absorbed is 1.4 kilojoules. What is the specific heat of copper?
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