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Suppose a sodium hydroxide solution were to be standardized against pure solid primary standard grade KHP. If 0.4538 g of KHP required 44.12 ml of the sodium hydroxide to reach a phenolphthalein endpoint what is the molarity of the NaOH solution?
If you added the oxidizing agent, chromate, to a solution of phenol, would the phenol be oxidized and would a green Cr3+ solution be formed
explain what would happen if you failed to achieve complete precipitation of the Lead in procedure 2(separation of silver and Lead ii ions as chlorides), Explain how this might impact your results
if the Hindenburg held 2.0x10^5 m^3 of hydrogen gas at 23 degrees Celcius and 1.0 atm, what mass of hydrogen in grams was present?
What polypeptide would be synthesized from the following template strand of DNA:3' CGG AGA CGG ACG 5'
which is a better method for background correction and why? D2 or Zeeman? Could you list advantages and disadvantages of each?
Carbon-14 has a half-life of 5730 years. A sample of carbon with a mass of 0.120 g has an activity of 40 decays/hr. The initial specific activity is assumed to have been 900 decays/hr/gram. How old is the sample
What will be the total vapor pressure (in torr) of a solution prepared by mixing equal masses of the two liquids?
The complete combustion of pentane releases 243 kj on the basis of this information calculate the value of delta H for the complete combustion of one mole of pentane
What is the mole fraction of each component if 3.9 g of benzene (C6H6) is dissolved in 4.6. Assuming that this mixture is ideal, that is, it follows Raoult's Law, what is the partial vapor pressure of benzene in this mixture at 50 C
a balloon filled with h2g at stp has a volume of 2.24 .what is the final gas volume if 0.10 mol heg is added to the
A 0.050 M H2S solution contains 0.29 M NiCl2 and 0.35 M Hg(NO3)2. What pH is required to precipitate the maximum amount of HgS but none of the NiS
Calculate the enrichment factor (i.e. the ratio of the diffussion rate of 235 UF6 to 238 UF6 for this method?
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