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A solution contains 0.25 M Ni(NO3)2 and 0.25 M Cu(NO3)2. Can the metal ions be separated by slowly adding Na2CO3? Assume that for successful separation 99% of metal ion must be precipitated before the other metal ion begins to precipitate, and assume no volume change on addition of Na2CO3. Show work please
A 50.00-mL sample of groundwater is titrated with 0.0800 M EDTA. Assume that Ca2 accounts for all of the hardness in the groundwater. If 12.80 mL of EDTA is required to titrate the 50.00-mL sample, what is the hardness of the groundwater in molari..
Using the information on the mass of a proton, mass of an electron and the sizes of the nucleus and the atom, calculate the densities of a hydrogen nucleus and hydrogen atom.
When calculating dilutions using M1V1=M2V2, derive an equation for the error in M2 using propagation of error (partial derivatives).
for each trial enter the amount of heat gained by the chemical system of ammonium nitrate qrxn. the specific heat of
X rays have wavelength on the order of 1*10^-10m. calculate the energy of 1.0*10^-10m X-rays in units of kilojoules per mole of X rays.AM radio waves have wavelength on the order of 1*10^4m. calculate the energy of 1.0*10^4m radio waves in units o..
To creates a genetically modified transgenic goat that produce a protein that acts as a drug in its milk. The concentration of drug in the milk is 10 mM
Explain how use of 3 M HCl(aq) could separate it from the other components. To do so: show how acid would change the molecule; identify the phase in which this new species would be isolated in a separatory funnel and explain why it would be found the..
Zinc citrate (Zn_3(C_6H_5O_7)_2) is an ingredient in toothpaste. It is synthesized by the reaction of zinc carbonate with citric acid. 3ZnCO_3(s) + 2C_6H_8O_7(aq) ---> Zn_3(C_6H_8O_7)_2(aq) + 3H_2O(l) + 3CO_2(g).
Write a detailed mechanism for this reaction that accounts for the net retention of detailed mechanism for this reaction that accounts for the net retention of configuration when Ag+ and a low concentration of hydroxide are used.
Figure shows a PMOS transistor operating as a switch in the on position. (a) If initially Vo = 0 and at t = 0, vI is raised to VDD, what is the final value VOH reached at the output?
consider a reaction in which ferric oxide is converted to iron and gaseous oxygen. if this reaction is only 83
25 ml of naoh 0.16 m is added to 50 ml of 0.1 m hcl. what is the ph of the final solution? what is the concentration of
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