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0.688g of antacid was treated with 50.00 mL of 0.5M HCl. the excess acid required 4.21 mL of 1.200M NaOH for back-titration. what is the neutralizing power of this antacid expressed as millimoles of HCl per gram of antacid?
Titanium is a strong, lightweight, corrosion-resistant metal that is used in rockets, jet engines, and bicycle grams. It is prepared by the reaction of titanium (IV) chloride with molten magnesium between 950 and 1150 degrees C via the following r..
The dipole moment (u) of HBr (a polar covalent molecule) is 0.82 D (debye), and its percent ionic character is 12.1% Estimate the bond length of the HBr bond in picometers.
What equipment will I need and what measurements do I need to make in order to find enthalpy, entropy, and gibbs free energy?
Calculate the number of free electrons per cubic meter for copper, assuming that there is one free electron per copper atom. The electrical conductivity and density
Calculate the pH of this solution. B) A 150 mL of 0.15 M NH3 is slowly added to 25 mL of 02 M HCl. What is the pH of the resulting solution
a current of 3.87 a is passed through a crno32 solution for 1.10 hours. how much chromium is plated out of the
why is it important to perform a fractional distallation slowly? what happens if a fractional distallation is done very quickly by rapidly raising
The rate of the reaction will increase if the pressure of the gases increases. The rate of the reaction will remain constant with increasing temperature. The rate of the reaction will increase as time increases.
We titrated a 0.1033 M NaOH solution into an unknown concentration of a weak acid (25.00 mL). It also says the unknown acid will have a concentration of about 0.1 M.
Heptane (C7H16) and octane (C8H18) are constituents of gasoline. At 80.0 ?C, the vapor pressure of heptane is 428 mmHg and the vapor pressure of octane is 175 mmHg.
Draw the structure of the carbocation intermediate leading to the formation of 3-methyl-1-butene. Use the (+) and (-) tools to adjust charges as necessary
Calculate the pH at each point listed for the titration of 50.00mL of 0.115 M alanine with 0.250 M NaOH, where Vb is the volume of added NaOh. Alanine has a pKa1=2.34 and a pKa2=9.87
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