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Problem- What volume of water must be added to 20 mL of a 4 M NaOH solution to yield a solution that is 0.4 M in NaOH?
I need proficient help to working out this problem
if a bottle of nail polish remover contains 172 ml of acetone how much heat would be released by its complete
The resulting W3 was transferred to 500.0 mL of 1.00 M HCl. A 100.00 mL aliquot of the HCl solution required 12.26 mL of 0.08855 M potassium permanganate (KMnO4) to reach the purple endpoint.
Calculate the concentration (in mol/L) of 30% by weight (30 g NaOH per 100 g of solution) NaOH solution. The density of the 30% by weight solution is 1.33 g/mL.
Question- The equilibrium constant for the reaction of fluorine gas with bromine gas at 300 K is 54.7 and the reaction is:
What are some advantages of supercritical CO2 as a mobile phase for chromatographic separations
Air bags are activated when a severe impact causes a steel ball to compress a spring and electrically ignite a detonator cap. This causes sodium azide (NaN3) to decompose explosively according to the following reaction.
a 0.421 g sample of aspirin prepared in the laboratory is dissolved in 95 ethanol diluted with water and titrated to a
The kinetics of decomposition of dinitrogen pentaoxide is studied at 50 degrees C and at 75 degrees C. Which of the following statements concerning the studies is correct
Treatment of an aldehyde or ketones with hydrazine, H2NNH2, yields an azine, R2C=N-N=CR2. Propose a mechanism
Help me understand specifically why the dissociated phosphate ion would prefer to bond with cations like Al and Zn. I think I know why but help me better understand.
an unknown solid salt is dissolved in water to form a solution. describe one chemical and one physical way that the
Your are asked to prepare a 0.8500 M solution of aluminum nitrate. You find that you only have 50.00 g of the solid. If 2.500 L of the prepared solution is required, how much more aluminum nitrate would you need
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