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Assume that you start with 0.557 g of copper turnings and the initial number of moles of Cu is 8.77×10-3 mol.The minimum volume of 16.0 M HNO3 required to dissolve all of the copper is 2.19 mL.
If, in practice, 5.0 mL of 16.0 M nitric acid were added to effect the dissolution of the copper, what would be the minimum volume of 4.00 M NaOH required to neutralize the remaining acid and convert all of the Cu2+(aq) to Cu(OH)2(s)?
Calculate the minimum volume of 1.00 M H2SO4 required to dissolve all of the CuO(s)
Calculate the minimum mass of zinc required to reduce all of the Cu2+(aq)to Cu(s)(Note that, in practice, a significant excess of zinc is used due to loss of H2(g).)
What is the mass percent of MgO in the mixture? Assume that only the MgO reacts with CO2.
Explain why water-soluble oils of low volatility are not typically isolated by steam distillation.
Describe in detail the manufacture of silicon crystals. Describe the process
What molecule does most probable speed of 393m/s at 25*C? Also calculate the mean speed
How much HCl must be added to a liter of buffer that is 1.5 M in acetic acid and 0.75 M in sodium acetate
calculate th eapproximate freezing points of the following aqueous solutions (assume complete dissociation) a. 0.800 m NaCl b. 0.800 m
The density of titanium metal is 4.51g/cm3 at 25C. what mass of titanium displaces 125.0ml of water at 25c.
Titration of a .7439g sample of impure Na2B4O7 required 31.64mL of .1081M HCl. Express the results of this analysis in terms in percent
Calculate the molar concentration of OH - ions in an 1.43 M solution of hypobromite ion, BrO- (Kb = 4.0 10-6).
Balance the following reaction, which occurs in acidic aqueous solution, using the smallest possible integer coefficients and adding H+ and H2O as necessary
how much energy is liberated when 366 g of mercury (c=0.139j/g degrees celsius)cools from 77.0 C to 12.0 degrees celsius?
Show that the enthalpy of combustion of saturated hydrocarbons may be expectred to follow the relation
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