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How do you find the atomic mass of an element? How do you find the atomic number of an element?
The end point is reached when 31.52 ml of the thosulfate solution is added. What is the molar concentration of the bleach solution. What is its mass percent
Question- A 100.0 mL sample of 0.18 M HClO4 is titrated with 0.27 M LiOH. Determine the pH of the solution after the addition of 66.67 mL of LiOH.
you suspect that you 12 year old male patient has an inborn error in methionine metabolism. it may be that cystathionine synthase is deficient. if tho sis true, he should have high serum concentrations of
If 50.00mL of 1.00 M HC2H3O2 (Ka= 1.8x 10^-5) is titrated with 1.00M NaOH. Explain what is the pH of the solution after the subsequent volumes of NaOH have been added?
The standard molar entropy for Br2(g) is 245.46 J/(molK) at 25?C. Given that ?S? = 104.58 J/K for the dissociation of one mole of Br2(g) into Br(g) at 25?C, find the standard molar entropy for Br(g) at 25?C.
The table below gives the temperature and pressure of the triple point for five different substances.
Question- What is the volume percentage of a solution prepared by dissolving 9 g of NaOH in enough water to make a final volume of 120 mL. Show equation please. How many mL of a 10 % solution can be made from the solution in other previous questio..
Calculate G°f (kJ mol -1) for glycerol and G°rxn (kJ mol -1) for the combustion of one mole of glycerol
When the band relaxes, the chains return to a tangled state. what happens to the entropy of the band when a stretched band relaxes
Calculate the number of moles needed to provide 20g of glucose from a 60% glucose solution
In standardizing an unknown NaOH solution, 21.50 mL of NaOH solution are found to reach the endpoint in a titration with 0.792 g of KHP. (MW= 204.32.0 g/mol) What is the molarity of the NaOH solution
What mass of water can be heated from 36C to 100C by burning this piece of coal? Answer in units of g.
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