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Problem- Assuming volumes are additive, how much water (in mL) should be added to 13.7 mL of a 2.35 M solution of sodium hydroxide (NaOH) to produce a 0.250 M solution?
State your answer as a chemical formula.
What are the advantages and disadvantages of animal studies and epidemiological studies for establishing dose-response relationships?
Question- A 0.1936 gram sample of primary standard K2Cr2O7 was dissolved in water. The solution was acidified and after the addition of KI, the titration of liberated I2 required 33.6 mL of Na2S2O3 solution. Calculate the molarity of the thiosulfa..
M NH3, a basic solution, cannot be found on the reagent shelf, but 6 M NaOH, also a base, is available. What would be observed if the 6 M NaOH is substituted for the 6 M NH3 in testing the reference solution. Explain.
How many grams of water H20 are in a sample that has 1.2 *10^(23) atoms of hydrogen
Myoglobin transfers oxygen acquired from hemoglobin to mitochondrial proteins involved in the catabolism of metabolic fuels to produce energy for the muscle cell. Explain what you can conclude about the structures of these mitochondrial proteins
Explain why there is a difference in spectrophotometric response during titration before and after the equivalence point by placing the statements below into the appropriate categories?
caproic acid contains carbon hydrogen and oxygen. combustion analysis of a 0.450g caproic acid sample gives 0.418g of
the vapor pressure of nitrogen at several different temperatures is shown below.temperature pressure 65 130.570 289.575
Explain a balloon has a volume of 1.20 L on a warm 32 ºC day If the same balloon is placed in the freezer and cooled to -18 ºCm what volume will it occupy
A sample of arabinose, C5H10O5, contains 0.6000 moles of the substance. How many carbon atoms are in the sample?
CH3CH2CH2CN can be synthesized by an SN2 reaction. Draw the structures of the alkyl chloride and nucleophile that will give this compound in highest yield.
Given a stationary phase of silica gel and nonpolar and polar analyte, which would elute first. Also if given a polar analyte/solute like cocaine, how might an increase in the polarity of the solvent affect the transport of the analyte
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