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If the amount of gas collected had not been corrected for the presence of water vapor,what effect would this have had on the calculated value of actual moles of hydrogen?
Calculate the morality of a solution made by dissolving 0.750 grams of Na2 SO4 in enough water to form exactly 850 mL of solution. How many moles of KMnO4 are present in 250 mL of a 0.0475 M solution?
The brominated product of acetanilide is disubstituted aromatic ring( 2 groups on the benzoering)draw any constitutional isomer that has a monosubtituted aromatic ring and the compound should not have any formal charge
Classify each description of a complex by the number of unpaired electrons in the d4 metal ion.
a sample of gas occupies a volume of 445 ml at a temperature of 274 k. at what temperature will this sample of gas
If the titrant has a molarity of 0.2750 M and there are 5.00 mL of analyte present, what is the molarity of the analyte
There are three resonance contributors. Draw all resonance structures for H2CNO2 and show all nonbonding electrons and formal charges
How do you calculate the number of moles of all sulutes (including cations and anions): Please show how to solve the problem.
The Ka of a monoprotic weak acid is 7.76 × 10-3. What is the percent ionization of a 0.127 M solution of this acid?
Calculate the equilibrium constant for the following reaction at 298K and biological standard state: CH3CHO +NADH +H+ --> C2H5OH + NAD+ E° ?= -0.197V for the CH3CHO/ C2H5OH couple.
Lauryl alcohol, C12H25OH, is prepared from coconut oil; it is used to make sodium lauryl sulfate, a synthetic detergent. What is the molality of lauryl alcohol in a solution
What is the alkali-aggregate reaction? List some of the rock types that are vulnerable to attack by alkaline solutions. Discuss the effect of aggregate size on the phenomenon.
Write a net ionic equation for the reaction between aqueous solutions of ammonia and hydrofluoric acid.
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