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This same EDTA solution was then used in a titration of a properly prepared solution representing the cement. Two milliliters of the cement solution (pH = 1.00) required 25.00 mL of the EDTA solution from part "A". At the end point, a very small amount of free Ca2+ could dissociate from the complex. What is that small molarity (M) of the free Ca2+ at the end point of the titration? The pK'f for this reaction at pH = 11.00 is 10.59.
Write a balanced equation for the double-replacement precipitation reaction described, using the smallest possible integer coefficients. [silver nitrate and cobalt(II) iodide]
a volume of 100 litres of is at room temperature that was twenty two degree celsius initially. a cooled steel rod at
Borazine has the formula (BHNH)3. The combination of a boron atom and a nitrogen atom is isoelectronic with two carbon atoms. How would you draw the stucture of borazine?
How many carbon atoms does the sample contain?
an aqueous solution of a nonelectrolyte boils at 100.32c. what is its expected freezing
chromium iii hydroxide croh3 is highly insoluble in distilled water but dissolves readily in either acidic or basic
what is the largest alkane number of carbons that can be named not exceeding decane as a parent? where is the primary
Calculate the pH of a solution that is .210M in nitrous acid and .290M in potassium nitrite. The acid dissociation constant of nitrous is 4.50X10^-4.
Important information about Heat and temperature, What is Heat? What is temperature? What are the various properties that account for temperature?
Are there certain shapes (tetrahedral, bent, linear) of coordinated covalent bonds that will signal if it is polar or non-polar
Compare lattice energies of LiI and PbI2 and calculate the formation enthalpy in each case by constructing a Born-Haber cycle. Which one is more ionic? Comment.
Balance the subsequent redox equation using half reactions as well as the ion-electron method. Then define what was oxidized and reduced by providing oxidation numbers/states.
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