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Calculate the volume of an object that has a density of 0.817 g/ml and a mass of 12.7 grams. answer to 3 significant figures
p4s f2g -gt pf3g what mass of f2 is needed to produce 187 g of pf3 if the reaction has a 80.1
in flushing and cleaning columns used in liquid chromatography to remove adsorbed contaminants a series of solvents is
What is the molar mass of a nonelectrolyte compound if 3.42 grams of the compound dissolved in 41.8 grams benzene begins to freeze
If 10.00 mL of 0.250 M NaOH solution is added to 100.00 mL of the above original buffer solution (described in part 1 of this problem), what is the new pH of the solution?
What mass of CO2 and H20 would be produced during the combustion analysis of 0.1674 g of the cobalamin?
What type of hybridization is used on the central atom in CHCL3?
1. calculate the number of calories needed to increase the temperature of 50.0 g of copper metal from 21.0 degrees c to
Draw a three-dimensional structure of CH3CL. Include all non-bonding pairs in your drawing. Shoe the direction of the molecular dipole and indicate bond angles.
Define the term "standard solution" and discuss what is meant by "standardizing a solution". For clarification, as an example
What is the volumetric flow rate of gases out the stack (m3/min)? Note - in these units, R has a value of 0.08206 atm-m3/kmol-K.
Find the approximate pH range suitable for the separation of Fe3+ and Zn2+ ions by precipitation of Fe(OH)3from a solution that is initially 0.015 M in both the ions. Assume a 99% precipitation of Fe(OH)3.
Determine mass of water is contained in 2.8 Litres of the vapor in this solution at 55 degree celcius temperature express your answer in grams
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