Question
In: Chemistry
1. You dissolve 5.00 g sodium hydrogen oxalate (NaHC2O4 ) in suffircient water to produce a...
1. You dissolve 5.00 g sodium hydrogen oxalate (NaHC2O4 ) in suffircient water to produce a final solution volume of 100.0 mL. Assuming all of the solid dissolves, calculate the pH of this solution.
2. You dissolve 5.00 g of sodium oxalate (Na2C2O4) in sufficient water to produce a final solution volume of 100.0 mL. Assuming all of the solid dissolves, calculate the solution pH of this solution.
3. You dissolve 5.00 g of sodium hydrogen oxalate and 5.00 g sodium oxalate in sufficient water to produce a final solution volume of 250.0 mL. Assuming both solids dissolve completely, calculate the pH of this solution.
4. Calculate the pH of the solution prepared in question #3 after 2.00 mL 1.00 M sodium hydroxide is added to it.
5. You dissolve 5.00 g sodium hydrogen oxalate and 1.00 g sodium hydroxide in sufficient water to produce a final solution volume of 250.0 mL. Assuming both solids dissolve completely, calculate the pH of this solution.
6. Calculate the pH of the solution prepared in question #5 after 2.00 mL 1.00 M hydrochloric acid is added to it.
Solutions
queen_honey_blossom answered 10 months agoRelated Solutions
1. You dissolve 5.00 g sodium hydrogen oxalate (NaHC2O4 ) in suffircient water to produce a...
1. You dissolve 5.00 g sodium hydrogen oxalate (NaHC2O4 ) in
suffircient water to produce a final solution volume of 100.0 mL.
Assuming all of the solid dissolves, calculate the pH of this
solution.
2. You dissolve 5.00 g of sodium oxalate (Na2C2O4) in sufficient
water to produce a final solution volume of 100.0 mL. Assuming all
of the solid dissolves, calculate the solution pH of this
solution.
3. You dissolve 5.00 g of sodium hydrogen oxalate and 5.00 g...
You dissolve 3.25 g of sodium oxalate (Na2C2O4) in sufficient water to produce a final solution...
You dissolve 3.25 g of sodium oxalate (Na2C2O4) in sufficient
water to produce a final solution volume of 100.0 mL. Assuming all
of the solid dissolves, calculate the solution pH.
If you burn 49.4 g of hydrogen and produce 441 g of water, how much oxygen...
If you burn 49.4 g of hydrogen and produce 441 g of water, how
much oxygen reacted?
Solid sodium reacts with water to produce aqueous sodium hydroxide (NaOH) and molecular hydrogen gas. Determine...
Solid sodium reacts with water to produce aqueous sodium
hydroxide (NaOH) and molecular hydrogen gas. Determine the limiting
reactant if 8.21 grams of sodium are reacted with 6.98 grams of
water.
If 2.99 g of sodium peroxide (Na2O2) react with water to produce sodium hydroxide and oxygen,...
If 2.99 g of sodium peroxide (Na2O2) react
with water to produce sodium hydroxide and oxygen, how many liters
of oxygen will be produced at 30.4 °C and 734 torr?
2 Na2O2(s) + 2
H2O(l) → 4 NaOH(aq) +
O2(g)
We dissolve 4.44 g of an unknown acid, HA, in enough water to produce 25.0 mL...
We dissolve 4.44 g of an unknown acid, HA, in enough water to
produce 25.0 mL of solution. The pH of this solution of HA(aq) is
1.44. We titrate this solution with a 0.250 M solution of NaOH. It
takes 38.8 mL of the NaOH solution to reach the equivalence point.
The temperature is 25oC.
(a) What is the molar mass of HA?
(b) What is the pKa value of HA(aq)?
(c) What is the pH at the equivalence point?...
Kc for the reaction of hydrogen and iodine to produce hydrogen iodide. H2(g) + I2(g) ⇌...
Kc for the reaction of hydrogen and
iodine to produce hydrogen iodide.
H2(g) + I2(g) ⇌
2HI(g)
is 54.3 at 430°C. Calculate the
equilibrium concentrations of H2,
I2, and HI at 430°C if
the initial concentrations are [H2] =
[I2] = 0 M,
and [HI] = 0.547 M.
[H2]=
[I2]=
[HI]=
1) Pick an appropriate solvent to dissolve sodium chloride (ionic). Check all that apply. Water (H2O)...
1) Pick an appropriate solvent to dissolve sodium chloride
(ionic). Check all that apply.
Water (H2O)
Acetone (CH3COCH3)
Methanol (CH3OH)
Ethanol (CH3CH2OH)
Hexane (C6H14)
Diethyl ether (CH3CH2OCH2CH3)
Toluene (C7H8)
Carbon tetrachloride (CCl4)
2
Pick an appropriate solvent to dissolve vegetable oil
(nonpolar).
Check all that apply.
Water (H2O)
Acetone (CH3COCH3)
Methanol (CH3OH)
Ethanol (CH3CH2OH)
Hexane (C6H14)
Diethyl ether (CH3CH2OCH2CH3)
Toluene (C7H8)
Carbon tetrachloride (CCl4)
3)
Pick an appropriate solvent to dissolve sodium nitrate
(ionic).
Check all that apply.
Check all...
1. What mass of water is needed to dissolve 43.5 g of copper (II) chloride to...
1.
What mass of water is needed to dissolve 43.5 g of copper (II)
chloride to prepare a 0.521 molal solution?
2. Calculate the boiling point of a solution made from 224 g
of magnesium chloride dissolved in 625 g of water. kb= 0.512
degrees celsius/m
When 1 [g] of Hydrogen is combined with 8 [g] of oxygen, water (H2O) is formed...
When 1 [g] of Hydrogen is combined with 8 [g] of oxygen, water (H2O) is formed and 3 · 105 [J] of energy are released.
(a) Determine the amount of water formed.
(b) If a household consumes an average of 2.5 [GJ] per month (Giga = 109), determine how much mass
it would be necessary to transform into energy to cover that consumption.
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