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Calculate the mass, in grammes, of magnesium hydroxide that contains 161 g Mg. [386 g]
Determine its molecular formula if the molar mass of the compound = 199.55 grams per mole?
Calculate the solubility at 25 degrees Celsius in grams per liter of AgI in a solution that is 0.15 M in potassium iodide and 0.25M in ammonia. State any equilibrium constants you use.
If one collects the first liter of gas that moves from the original room into the evacuated room, approximately what would you expect its composition to be? Would it be the same as regular air?
Write the correctly balanced net ionic equation for the reaction the occurs NaOCl is dissolved in water and calculate the numerical value of equilibrium constant for this reaction.
Give equations showing the structures of all the reactants, reagents and products for the reactions of salicylic acid with the following.
We allow 32.0g of methane, CH4, to react as completely as possible with excess oxygen, O2, to form CO2 and water. What mass of oxygen will react
An enantiomerically pure acid is treated with racemic mixture of an alcohol having one chiral carbon.
a solution of ammonia and water contains 3.30times1025water molecules and 6.90times1024 ammonia molecules.how many
A typical serving of cheddar cheese contains 176 mg of sodium. How many moles of sodium are contained in this amount of cheddar cheese
Explain what will be the partial pressure of di-t-butyl peroxide after 1.00 hr if its initial partial pressure was 169.0 torr? Explain what will be the total gas pressure after 1.00 hr
A solution contains 0.750 M HA (Ka = 1.0 x 10-6) and 0.250 M NaA. What is the pH after 0.100 mole of HCl is added to 1.00 L of this solution
Use the enthalpies of bond formation to rationalize why nitrogen forms a dimer and phosphorous a tetramer.
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