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Problem- Formula H2O, mass in grams 7.6, molar mass 18g/mol, moles .42 mol,
1) What are the mole and how many atoms in the element?
It is not a problem in the book so I simply need the full solution
What is the equilibrium concentration of Cu+ (aq) in a solution that is 0.0200M solution in CuNO3 and 0.450M HCl (aq)
benzene is often produced as a by-product during the synthesis ofphenylmagnesium bromide. how can its formation be
A chilled carbonated beverage is opened and allowed to warm to room temperature. Will the pH change, and if so, how will it change. loss of CO2 from the beverage (Henry's Law) will result in a decrease in the pH
HZ is a weak acid. An aqueous solution of HZ is prepared by dissolving 0.020 mol of HZ in sufficient water to yield 1.0 L of solution. The pH of the solution was 4.93 at 25.0 °C.
If 22.15 mL of 0.100 M sulfuric acid is required to neutralize 10.0mL of lithium hydroxide solution, what is the molar concentration of the base. H2SO4(aq) + 2LiOH(aq) -right arrow Li2SO4(aq) + 2 H2O(I)
How many moles of Na3C6H5O7 can be produced if one tablet containing 0.0164 mol of NaHCO3 is dissolved?
a mixture contains 76.5 nacl 6.5 mgcl2 and 17.0 na2so4 by mass.what is the molarity of cl- ions in a solution formed
Write a balanced hydrolysis equation to show why solutions of aluminum chloride are acidic. (Hint; Al3+(aq) ions can be written Al(H2O)63+(aq).)
commercial grades of stearic acidc17h35cooh usually contain some palmiticacid c15h31cooh as well. a 1.115-g sample of a
The molar absorptivities for methyl red in its acid form are 44640 M^-1cm^-1 @ 524 nm and 3860 M^-1cm^-1 @ 425nm and for methyl red in its base form are 740 M^-1cm^-1 @ 524nm and 18530 M^-1cm^-1 @ 425nm
Determine the energy needed to raise the temperature of 55.6 g of water from 43.2ºC to 78.1ºC.
Arrange the descriptions in order of increasing number of microstates in the resulting system.
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