Explain the minimum concentration of mg2+ required

Assignment Help Chemistry
Reference no: EM13318280

What is the minimum concentration of Mg2+ required to begin precipitating Mg(OH)2(s) in a solution of pH 10.82? For Mg(OH)2, Ksp = 1.8 × 10-11. A. 1.5 × 10-13 M B. 4.1 × 10-5 M C. 1.2 × 100 M D. 3.3 × 10-4 M E. 2.7 × 10-8 M

Reference no: EM13318280

Questions Cloud

Electromagnetic spectrum would such a wave lie : What would be the wavelength of an electromagnetic wave having a frequeny equal to the clock speed of 3.2 ghz personal computer? In what part of the electromagnetic spectrum would such a wave lie?
What is the amplitude of the magnetic field of this wave : The intensity of an electromagnetic wave is 8 x 10^7 W/m^2. What is the amplitude of the magnetic field of this wave
What is contact time-min required to achieve deactivation : What is the contact time (min) required to achieve a log-3 deactivation of Giardia in water of 10 °C temperature, at pH 7, if the chlorine concentration is 2.2 mg/L
Find the velocities of the two objects after the collision : Let the mass of object 1 be m and the mass of object 2 be 3m. what are the velocities of the two objects after the collision
Explain the minimum concentration of mg2+ required : What is the minimum concentration of Mg2+ required to begin precipitating Mg(OH)2(s) in a solution of pH 10.82? For Mg(OH)2
State the appropriate null and alternate hypotheses : The installation of a radon abatement device is recommended in any home where the mean radon concentration is 4.0 picocuries per liter (pCi/L) or more, because it is thought that longterm exposure to sufficiently high doses of radon can increase t..
How many grams of dry nh4cl need to be added to ammonia : How many grams of dry NH4Cl need to be added to 2.50 L of a 0.500 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.74? Kb for ammonia is 1.8*10^-5.
Explain the minimum do of the pond drop to as the waste : A tanker carrying 800 kg of BOD waste accidently overturns and spills into a pond with a volume of 100,000,000 L. Assume the pond is completely mixed and has an initial DO of 6.4 mg/L and a temperature of 20°C
Determine the dimensions of the best cross section : Water is to be transported at a rate of 60,000 gallons/min in uniform flow in an open channel whose surface are lined with clay tile. The bottom slope is 0.0014. Determine the dimensions of the best cross section

Reviews

Write a Review

Chemistry Questions & Answers

  How this buffer neutralizes added bases

A buffer is made by dissolving H3PO4 and NaH2PO4 in water. Write and equation that shows how this buffer neutralizes added bases.

  Explain strength of intermolecular forces

Place the following compounds in order of increasing strength of intermolecular forces. CH4, CH3CH2CH3, CH3CH3

  Define what temperature will the reaction become spontaneous

Sodium carbonate can be made by heating sodium bicarbonate: 2NaHCO3(s) = Na2CO3(s) + CO2(gas) + H2O(gas) Given that for this reaction delta H = 135.5 KiloJoules and delta G = 33.1 KiloJoules at 25 degrees C, at what temperature will the reaction b..

  Find out using x rays methods

determined using x rays methods. Remember a, b, c are unit cell dimensions . X', y' and z' are intercepts. Only the information you need is given . You may encounter as unusual rarely formed face

  Compute ph of saturated solution of dicalcium phosphate

Calculate pH of saturated solution of dicalcium phosphate (CaHPO4) in water if its solubility is 3.16x10-4 m. How much solubility of CaHPO4 will change when 1.0x10-3 m MgCl2 is added to the same saturated solution of dicalcium phosphate?

  State the components in a mixture by gas chromatography

identities of the components in a mixture by Gas chromatography may be determined by the technique called "spiking".

  Explain a concentrated solution is nitric acid in water

A concentrated solution is 68% nitric acid in water and has density of 1.39 g/ml. How many mL of this nitric solution will completely and exactly react with 143g of cu metal

  Explain how many grams of dry nh4cl needed for solution

How many grams of dry NH4Cl need to be added to 2.50 L of a 0.100M solution of ammonia, NH3, to prepare a buffer solution that ahs a pH of 8.80?

  Suppose the hydrate was heated too quickly

suppose the hydrate was heated too quickly and some of it was lost as it spattered out of the container . explain how this would effect .

  Explain melting snow by application of salt

Which of the following is not an application of colligative properties? A) reducing boiling points of pure liquids at increased altitude B) adding silver to mercury to lower the vapor pressure of mercury C) melting snow by application of salt D) d..

  How many joules of heat are required to boil a cup of tea

Water has a heat opf vaporization of 40.7 kJ/mol and a specific heat of 4.18 J/grams degrees celsius. How many Joules of heat are required to boil a cup of tea?

  How many grams of zinc have been consumed

If 138 mL of wet H2 is collected over water at 24°C and a barometric pressure of 748 torr, how many grams of Zn have been consumed? (The vapor pressure of water is 22.38 torr at 24°C.)

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd