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the elemental mass percent composition of ascorbic acid (vitamin C) is 40.92% C, 4.58% H, and 54.50% O. Determine the empirical formula of ascorbic acid
The plasma (HCO3-) of an individual living at a high elevation is 18.5 meq/L. If this concentration of bicarbonate fully compensates the decrease
If the pH is buffered at 8.2 (as is historically typical for the ocean), what is the molar solubility of CaCO3? F) If the pH is buffered at 7.5, what is the molar solubility of CaCO3?
Show your calculations for the pH when 0.00 mL, 4.00 mL, 6.00 mL, 12.00 mL (equivalence point), and 16.00 mL of 0.10 M HCl have been aded to an initial
Sodium fluoride and lead nitrate are both soluble in water. If 1.13 g of NaF and 0.232 g of Pb(NO3)2 are dissolved in sufficient water to make 1.00 L of solution, will a precipitate form?
In a reaction 8200 g of sodium reacts with 74.00 g of ferric oxide to form sodium oxide and iron metal. Calculate the mass of sodium iron produced.
If 69.5 kJ of heat is applied to a 1039 g block of metal, the temperature of the metal increases by 11.4°C. Calculate the specific heat capacity of the metal in J/g°C.
what are the ground state electron configuration of the elements in period 2 of this alternate reality?
Metallic aluminum reacts with MnO_2 at elevated temperatures to form manganese metal and aluminum oxide. A mixture of the two reactants is 67.2% mole percent Al.
calculate the ratio of dissolved benzoic acid to benzoate ion at equilibrium. Ka for enzoic acid is 6.46 X 10^-5
Consider 25.0 g of water at 21.7°C that are mixed with 25.0 g of water at 43.3°C in a foam cup calorimeter. The equilibrium temperature reached was 30.4°C.
An electrochemical cell is constructed by coupling a Cu(II)/Cuhalf-cell with an Ag(I)/Ag half cell. The concentration of Cu(II)and Ag(I) are both 0.010 M. The observed potential
Find the price of one cubic inch of mercury by calculating the following intermediate values. What is the price of one cubic centimeter of mercury?
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