03/14/24

You split in half a solution of 2.0 grams sodium acetate and 10 mL 3.0 M acetic acid that was later added with 50 mL water (total 60 mL). Find the pH
You split in half a solution of 2.0 grams sodium acetate and 10 mL 3.0 M acetic acid that was later added with 50 mL water (total 60 mL). One solution will be added with 1 mL of 6.0 M HCl and the... more
Follows • 2
Expert Answers •1

03/14/24

A buffer is made by mixing 2.0 grams of sodium acetate and 10 mL of 3.0 M acetic acid. Then 50 mL of water is added to the mixture. Answer the questions below.
A buffer is made by mixing 2.0 grams of sodium acetate and 10 mL of 3.0 M acetic acid. Then 50 mL of water is added to the mixture. Write the equilibrium expression Calculate the molarity of the... more
Follows • 2
Expert Answers •1

03/14/24

Calculate the molarity of the acid and the conjugate base, and use the Henderson-Hasselbalch equation
A buffer is made by mixing 2.0 grams of sodium acetate and 10 mL of 3.0 M acetic acid. Then 50 mL of water is added to the mixture. Calculate the molarity of the acid and the conjugate base. Find... more
Follows • 2
Expert Answers •1

03/12/24

4 ClO3- + 2 SbO+ + 2 H+ 4 ClO2 + Sb2O5 + H2O
Follows • 2
Expert Answers •1

03/12/24

Finding Molar mass using the ideal gas law
Mass of Unknown Metal    0.0527g Volume of H2 Gas Produced  25.5 mL Barometric Pressure   755 mm Hg Temperature of Water  298 K What is the molar mass of the metal used in this... more
Follows • 2
Expert Answers •1

03/08/24

what is pH of 8.8 x 10^-8 M HCl
Follows • 2
Expert Answers •2

03/08/24

Using relative effusion rates to find an unknown molar mass
A gas made up of homonuclear diatomic molecules escapes through a pinhole 0.325 times as fast as He gas. Write the chemical formula of the gas.
Follows • 3
Expert Answers •2

03/08/24

Calculating Total Pressure
A 10.0L tank at 25.8°C is filled with 13.8g of dinitrogen monoxide gas and 10.6g of sulfur hexafluoride gas. You can assume both gases behave as ideal gases under these conditions.Calculate the... more
Follows • 3
Expert Answers •2

03/08/24

how many total atoms are in 0.450 grams of p2o5
Follows • 3
Expert Answers •2

03/06/24

What is the pH of a 0.0300 M solution of HONH₃Cl (Kb of HONH₂ is 1.1 × 10⁻⁸)?
Follows • 2
Expert Answers •1

03/06/24

There is roughly 350 grams of nitrogen, N2, in the atmosphere for every 100 grams of oxygen, O2. Determine the approximate mole fraction of oxygen and nitrogen in Earth's atmosphere.
Follows • 2
Expert Answers •1

03/05/24

I'm not sure on how to set this equation up.

Mixing 25.0 mL of 1.2 M HCl and 25.0 mL of 1.1 M NaOH were mixed. The temperature of the initial solution was 22.4 oC. Assuming a Heat of Neutralization of -55.8 KJ/mol, what would the final... more
Follows • 2
Expert Answers •1

03/05/24

How do I get the mass of water for my thermal energy transfer equation when I wasn't given it?

A 17.27 gram sample of aluminum initially at 92 oC is added to a container containing water. The final temperature of the metal is 25.1 oC. What is the total amount of energy in Joules added to the... more
Follows • 2
Expert Answers •1

03/05/24

Calculate ΔH° for the reaction.
The value of Kc for the reaction below is 0.450 at 50.00°C and 0.660  at 100.00°C.ABCalculate ΔH° for the reaction.
Follows • 2
Expert Answers •1

03/05/24

Chemistry HW Question
Consider the reaction of 30.0 mL of 0.211 M BaI₂ with 20.0 mL of 0.315 M Na₃PO₄. Since the precipitate is Ba₃(PO₄)₂, write the molecular equation for the precipitation reaction. If no reaction... more
Follows • 2
Expert Answers •1

03/05/24

A coke is 39g of sugar C6H1206 180 g/mol) is 355 mL of liquid. if the rest coke is water. The density coke solution is 1.026 g/mL. Determine molarity, molality, fraction, and percent of sugar in coke.
Follows • 2
Expert Answers •1

03/05/24

single displacement
If a lead (III) sulfate solution is in a 0.3 M solution, what volume would you have to add to unlimited aluminum to produce 5 g of pure lead in a single-displacement reaction?
Follows • 2
Expert Answers •1

03/04/24

2H2S + 3O2 -> 2SO2 +2H2O How many grams of water can you make from 26 grams of O2 assuming Hydrogen Sulfide is in excess?

Follows • 2
Expert Answers •1

03/04/24

molar mass problem
If 50 g of an unknown electrolyte raise the boiling point of 650 g naphthalene to 220 C, find the unknown electrolyte’s molar mass. Assume naphthalene has a Kb of 5.8 C/m, a normal tB of 217.7 C,... more
Follows • 2
Expert Answers •2

03/04/24

colligative properties
If the boiling point of 400 g water has been increased by 9.3 C by adding lead (II) chloride, how many grams of lead (II) chloride were necessary to elicit this change? Assume the Kb of water is... more
Follows • 2
Expert Answers •2

03/04/24

Solving for a reactant in solution
Sodium hydrogen carbonate NaHCO3, also known as sodium bicarbonate or "baking soda", can be used to relieve acid indigestion. Acid indigestion is the burning sensation you get in your stomach when... more
Follows • 2
Expert Answers •1

03/03/24

Dilution of Chemical Equations
A chemist makes 460.mL of aluminum sulfate Al2SO43 working solution by adding distilled water to 160.mL of a 0.300M stock solution of aluminum sulfate in water.Calculate the concentration of the... more
Follows • 2
Expert Answers •1

03/03/24

Solving for a reactant in solution
One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(II) carbonate, in concentrated sulfuric acid. The sulfuric acid reacts with the... more
Follows • 2
Expert Answers •1

03/02/24

Using the Kf and Kb equations with electrolytes

A certain liquid X has a normal freezing point of 7.40°C and a freezing point depression constant Kf=2.41°C•kf•mol^-1.A solution is prepared by dissolving some ammonium sulfate((NH4)2SO4) in 700.g... more
Follows • 2
Expert Answers •2

03/02/24

Using the Kf and Kb equations with electrolytes

The normal freezing point of a certain liquid X is 4.00°C, but when 63.7 g of barium hydroxide(Ba(OH)2) are dissolved in 600.g of X the solution freezes at 2.8°C instead. Use this information to... more
Follows • 2
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.