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A 50.00mL water sample required 11.00mL of 0.1000 M EDTA to titrate the free Mg in a water hardness determination, given a sample pH = 10.00. Explain what was the concentration of Mg in the sample expressed as ppm Mg. The atomic weight of Mg is 24.30 g/mole.
Explain what was the Conditional Formation Constant for the formation of the EDTA complex for Mg under these conditions?(KMgY2- = 4.9*109)
36 grams of an impure zinc sample are reacted with excess hydrochloric acid and 10 l of hydrogen gas are collected at
Draw all of the resonance structure of SCP-.write formal charges on All atoms. point out which one has most likely resonance
the element boron has two naturally occurring isotopes with masses of 10.0129 amu and 11.0093 amu. what is the percent
nonvolatitle organi polymer dissolved in 250mL of benzene has an osmotic pressure of 12.3 mmHg at 25 degree celcius. What is the molar mass of the polymer in units of g/mole?
An experiment shows that a 115 -,mL gas sample has a mass of 0.170 g at a pressure of 711 mm; Hg and a temperature of 33Celcius. What is the molar mass?
Draw the major organic product(s) formed when hex-2-yne undergoes hydration in the presence of HgSO4 and H2SO4.
When 5.00 g of sodium hydroxide (NaOH) was dissolved in 150.00 g of water a value of 10.50oC was obtained for ΔT.
To better understand why, scientists synthesized artificial protein mimics that were linked by ester bonds instead of the amide functionality ( the R-group side chains all remained the same). They found that these mimics did not form highly organi..
Provides as many reasonable ways as possible of synthesizing 2-choloro-3-methylbutane as the major substrate product starting with substrates that contain 3 or more carbon atoms
Aldo Reaction Major and Minor Products from Benzaldehyde and Cyclohexanone. Why is the one you chose the major product
Identify which gas is in excess and by how much and calculate the volume of nitrogen produced.
The densities for aluminum and iron are 2.7 g/cm 3 and 7.86 g/cm3, respectively. What is the ratio of the mass of an object made of aluminum to that of the same object made of iron?
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