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Explain what mass of NaOh is required to precipitate the Cd+2 ions from 40.0Ml of 0.460M Cd(NO3)2 solution?
A stock solution is prepared by adding 30 mL of 2 M AlCl3 to enough water to make 80 mL. What is the Cl- concentration of 40 mL of the stock solution
NaOH (aq) are required to neutralize 25.0 mL of HCl (aq). Calculate the concentration of the hydrochloric acid solution.
The heat of formation of KCl(s) is -436.7 kJ/mol and the heat of formation of KCl(aq, 1 m) is -419.5 kJ/mol. Determine the heat of solution of KCl.
How many milliliters of 0.220M Na2S2O3 solution are needed for complete reaction with 2.401g of I2 according to the equation below. I2(aq)+2S2O3^2-(aq)------>S4O6^-2(aq)+2I-(aq)
Structure of major compound formed from: alpha-D-methoxyglucopyranose + TBDPS-Cl/AgNO3
N2+3H2 yields 2NH3 at STP How many grams of nitrogen are needed to react with 1.4L of hydroden
Calculate the maximum number of grams of H2S that can form when 158g of aluminum sulfide reacts with 131g of water.The *unbalanced* reaction is given below.
when water freezes its volume is increased by one-eleventh. in other words the volume of ice equals the sum of the
Calculate how many calories of heat are needed to increases the temperature of 550 grams H2O from 12 degree celsius to 18 degree celsius?
We are investigating the keto-enol tautomerization of acetylacetone (pentane-2,4-dione) in an aqueous solutions at 25 degrees Celsius. The standard reaction Gibbs energy for the enol ketone tautomerization is -3.64 kJ/mol.
How much titanium (IV) chloride must react with excess oxygen to prepare 175 grams of the pigment if the reaction is only 85% efficient (% yield)
An iron bar of mass 781 g cools from 94°C to 5°C. Calculate the heat released (in kilojoules) by metal.
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