11/07/19

the solubility of MN(OH)2 is 3.04 x 10^-4 gram per 100. milliliters of solution at 25 degrees C Write the balance me chemical equation for the disassociation of MN(OH)2 (s) in a aqueous solution.

Calculate the molar solubility Calculate the value of solubility product constant Ksp for MN(OH)2 at 25 degrees celcius
Follows • 2
Expert Answers •1

11/07/19

If you start with 1.115 g of aluminum, how many grams of alum should be obtained?
Follows • 2
Expert Answers •1

11/07/19

how many liters of oxygen are necessary for the combustion of 124 g of magnesium at stp?
Follows • 2
Expert Answers •1

11/07/19

Calculate the number of g of chromium needed to produce 20.00 g of chromium oxide
Follows • 2
Expert Answers •1

11/06/19

what would be the freezing point for a 5.7 molal aqueous sucrose (C12H22O11)solution
the freezing point depression constant water =1.86 C/m. show your work
Follows • 2
Expert Answers •1

11/06/19

What is the molality of a solution that contains 3.25 moles of NaCL in 250 mL of water?
What is the molality of a solution that contains 3.25 moles of NaCL in 250 mL of water?
Follows • 2
Expert Answers •1

11/06/19

If 2.00 mL of the 0.15 M Co(NO3)2 solution is diluted to 10.00 mL with water, what is the resulting Co(NO3)2 concentration
Follows • 2
Expert Answers •1

11/06/19

Percent Abundance
Lithium has two isotopes ⁶Li and ⁷Li and we found that the most abundant is 92.5%Identify the most abundant isotope
Follows • 2
Expert Answers •1

11/06/19

How well did titration work to find the percent by mass of acetic acid in vinegar?
Just discuss no calculations needed
Follows • 2
Expert Answers •1

11/06/19

A student has prepared a 150.0 mL of 2.25 M Na3PO4. What is the chemical equation for the dissolving of Na3PO4 in water?
Follows • 3
Expert Answers •1

11/06/19

Stoichiometry, Chemistry

How many moles of NH3 can be produced from 12.0 mol of H2 and excess N2?
Follows • 2
Expert Answers •2

11/06/19

The average adult human burns 2.00 * 10 ^ 3 kcal per day in energy. What is this rate in kJ per hour
Follows • 2
Expert Answers •1

11/06/19

Measuring Density

The density of platinum is 21.45 g/cm3 at 20˚C. Calculate the mass of 75.00 cm3 of platinum at this temperature.
Follows • 2
Expert Answers •2

11/05/19

Calculate the [OH−] value given [H3O+]=1.0×10−12M
Follows • 2
Expert Answers •1

11/05/19

What wavelength of light is emitted when an electron falls from the n=4 to the n=3 orbital of the Lithium +2 ion (the ionization energy is 11815 kJ/mol)?

Follows • 2
Expert Answers •1

11/05/19

A patient with respiratory alkalosis has a blood plasma pH of 7.59. What is the [OH−] of the blood plasma?
Follows • 2
Expert Answers •1

11/05/19

Limiting reactant

H2+F2——->2HF, in the reaction represented above, what mass of HF is produced by the reaction of 3.0×10 to the power of 23 molecules of H2 with excess F2?
Follows • 2
Expert Answers •1

11/05/19

mixture of MnSO4 and MnSO4*4H20 has a mass of 2.005 g. After heating to drive off all the water the mass is 1.780 g. How many grams of MnSO4*4H20 are present in the mixture?
A mixture of MnSO4 and MnSO4*4H20 has a mass of 2.005 g. After heating to drive off all the water the mass is 1.780 g. How many grams of MnSO4*4H20 are present in the mixture? What is the mass... more
Follows • 2
Expert Answers •1

11/05/19

A student has prepared 150.0 mL of 2.25 M Na3PO4. How many moles of ions are present in the solution?
Follows • 2
Expert Answers •1

11/05/19

The container tells us that con H2SO4 (aq) is 96.0% by mass H2SO4 and has a density of 1.84 g/mL. In carrying out the calculation, assume you are starting with 1.00 L of con H2SO4 (aq).
a) What is the mass of 1.00 L of con H2SO4 (aq)?b) How many grams of H2SO4 are in this 1.00 L of solution? How many moles of H2SO4 is this? c) Calculate the morality of this con H2SO4 solution.d)... more
Follows • 2
Expert Answers •1

11/05/19

True or False about Electrons
Select true or false for each statement below. True False  Electrons move in elliptical orbits around the nucleus of an atom. True False  The energy levels of all atoms are... more
Follows • 2
Expert Answers •1

11/05/19

Calculate the concentration of the dye Blue #1 if 0.610 g are used to prepare 5.0 L of solution. The molar mass of Blue #1 is 792.86 g/mol.

Follows • 3
Expert Answers •2

11/05/19

Ionization Energy Calculation
How do you calculate the third ionization energy of a Be atom in its ground state?
Follows • 2
Expert Answers •1

11/05/19

Identify the strongest attractive force present in the pure substances shown: London forces, dipole-dipole, hydrogen bonding, ion-dipole, or ionic attractions.
CH3CH2CH2CH2OH, KCl, CH2Cl2, CH3OCH2CH3
Follows • 2
Expert Answers •1

11/05/19

Principles of chemistry

a 0.858 sample of copper was reacted with oxygen to form 1.074g of copper oxide. determine the empirical formula of the copper oxide
Follows • 2
Expert Answers •2

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.