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Problem- How many grams of dry NH4Cl need to be added to 2.30L of a 0.700M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.77? Kb for ammonia is 1.8*10-5
Determine the solution for the above problem express your work in detail
Calculate the molarity of the following solutions. a) 0.600 mol of Na2S in 1.40 L of solution. b) 20.1 g of MgS in 851 mL of solution.
calculate that how many liters of carbon monoxide gas, measured under the same conditions, is essential?
What mass of HCl gas must be added to 1.00L of a buffer solution that contains [acetic acid]= 2.0M and [acetate]= 1.0M
a 0.17 mole sample of a gas is put into a balloon when the temperature is 26 degrees celsius and the pressure is 757
A diamond weighs 5.35 ounces. How much is it worth if the going price of diamonds is 627 dollars per carat? 1 carat is equal to 200 milligrams
Calculate the mass of nitrogen dissolved at room temperature in an 81.0L home aquarium. Assume a total pressure of 1.0 atm and a mole fraction for nitrogen of 0.78.
From the subsequent Information, compute the standard change of enthalpy for the combustion of coal. Compound DeltaHf (kj/mol)
When 50 mL of 2M HCl(aq) is added to 50 mL of 2M NH3(aq), how much NH4Cl is formed?
n-type semiconductors can be formed by addition of the elemental metals to the parent compound. For example, addition of Zr to ZrO or Ti to TiO. Like wise, p-type semiconductors
What is the pressure in a 10.0L cylinder filled with .448 mol of nitrogen gas at a temperature of 315k
draw and name all monochlorinated products of 2,2,3-trimethylpentane. Predict the percentage of each product. Would you obtain the same major product if you were to use bromine in place of chlorine
Draw all stereoisomers having molecular formula C6H12 that contain one double bond and give the IUPAC name for each compound
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