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Calculate the sodium ion concentration in a solution formed by diluting 35 ml of a .585 M sodium phosphate solution to a final volume of 145ml
An anesthetic contains 64.9 % carbon, 13.5 % hydrogen, and 21.6 % oxygen by mass. At 120 degrees C and 750 mmHg, 1.00 L of the gaseous compound weighs 2.30 g.
The density of an unknown metal is 8.94 g/cm^3 and its atomic radius is 0.126 nm. It has a face-centered cubic lattice.Find the atomic weight of this metal.
What is the freezing point of a solution prepared by dissolving 39g of benzene (C6H6) in 500g of cyclohexane. Fp for cyclohexane is 6.6 C Kf=20.0 C/m.
If the reaction 2H2S(g) 2H2(g) + S2(g) is carried out at 1065C, Kp = 0.0120. What is the value of Kc for the reaction H2(g)+1/2S2(g) H2S(g) at 1065C ?
what is the density of the block? How to approach the problem The apparent mass of the object in the fluid, 5.6 , is equal to its mass in air, 50.0 , minus the mass of the displaced fluid
How many mL of 6.0M H2SO4 are required to react with .80g of CuO according to the equation CuO
What causes cycloalkanes to have two less hydrogen atoms than similar alkanes that are open chain ones? i) What is the three dimensional structure of methane? Why?
Methanol burns in oxygen to form carbon dioxide and water. 2CH3OH+3O2=2CO2+4H2O. Calculate the rxn of delta H, G & S at 25C
What is the maximum mass of aluminum chloride that can be formed when reacting 18.0g of aluminum
Write the element symbol and charge. How many unpaired electrons are there in the ground state of this ion
a solution is prepared by mixing 50.0 ml of 0.17 m pbno32 with 50.0 ml of 1.9 m kcl. calculate the concentrations of
what mass of oxalic acid dihydrate, H2C2O4 + 2H2O is required to prepare 280.0 ml of a 1.51 M solution of oxalic acid
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