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A student prepared a stock solution of the assigned compound by weighing 2.345 grams of Cu(NO3)2. 6H20 and diluting it with water to a final volume of 25.00mL.
From this stock solution, the student then took 2.00mL and diluted it to a final volume of 10.00mL with water. What is the final concentration of this diluted solution? Answer must be in grams/mL
Milk of magnesia is often taken to reduce the discomfort associated with acid stomach or heartburn. The recommended dose is 1 teaspoon, which contains 4.00×102mg of Mg(OH)2.
the reaction that would occur between HCL and NaHCO3 using curved arrow notation. Show all nonbonded electrons.
the temperature was returned to the origenal value what would be the partial pressure of each gas be?
At equilibrium, the concentration of the product methanol was found to be 0.060 M. The value of the equilibrium constant Kc for this reaction is
how many grams of H2 are needed to react with an excess of N2 and produce 6,867 grams of NH3? the molar mass H2 is 2.016g and the molar mass NH3 is 17.04g
If CO2 is not removed by boiling after the addition of HCL, how will this affect the determination of moles of base per gram of antacid tablet?
A solution is 0.43 M Sr(OH)2. What are the concentrations of H3O+ and OH ‾ in this solution?
If the ph of Rainfall in Upstate New York is Found to be 4.0, and if the acidity is half due to Nitric acid (HNO3) and half due the two Hydrogen Ions released by Sulfuric acid
Sufficient sodium cyanide, NaCN, was added to 0.015 M silver nitrate, AgNO3, to give a solution that was initially 0.100 M in cyanide ion, CN-. What is the concentration of silver ion,
Balance the equation using the smallest possible integers. Also determine the sum of the coefficients of the reactants?
We have a nuts, bolts, and indirect measurement lab coming up. We'll get a bag of nuts/bolts and I need 2-3 methods on estimating the mass of a bolt without opening the bag. Thanks.
the reaction of copper(I) sulfide with oxygen gas as follows: Cu2(s) + O2(g) ? 2Cu(s) + SO2(g) If 0.330 kg of copper(I) sulfide reacts with excess oxygen, what mass of copper metal may be produced
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