How many total moles of ions are released

Assignment Help Chemistry
Reference no: EM13173727

How many total moles of ions are released when the following sample dissolves completely in water? 7.24x 10^20 formula units of NiCl2.

Reference no: EM13173727

Questions Cloud

Contact the chair of a local hospitals bioethics committee : Contact the chair of a local hospital's bioethics committee and interview him/her regarding the use of the committee at that facility, how the committee functions, how it makes decisions and recommendations, and the chair's views on the impact the..
What pressure must be exerted on the surface of a solution : at 80 degrees celsius the vapor pressures of pure liquids X,Y and Z are 385, 190,and 66 mm Hg, respectively. What pressure must be exerted on the surface of a solution containing one mole of X, three mole of Y, and two moles of Z for boiling to be..
What are the ethical issues and what are the legal issues : What are the ethical issues and what are the legal issues and what are the medical care issues?
Demonstrating electron movement to show what happened : Styrene, phenylethene, is treated with H3PO4, an acid whose conjugate base is a poor nucleophile.
How many total moles of ions are released : How many total moles of ions are released when the following sample dissolves completely in water? 7.24x 10^20 formula units of NiCl2.
Describe what is meant by brain plasticity : Describe the average weight gain of an infant during the first year of life. How do the size and proportions of an infant's body change during the first 2 years? Describe what is meant by brain plasticity.
Identify the intermolecular attractions for dimethyl ether : Identify the intermolecular attractions for dimethyl ether and for ethyl alcohol. Which molecule is expected to be more soluble in water?
Effective user-level thread implementation : What must a kernel provide for an effective user-level thread implementation? Do you have immediate help for this answer?
Explain the basis of the intermolecular forces : The boiling point of propylamine, CH3CH2CH2NH3, is 48 °C while that for its isomer trimethylamine, (CH3)3N, is only 3 °C. Explain the difference on the basis of the intermolecular forces

Reviews

Write a Review

Chemistry Questions & Answers

  State measures the concentration of hydronium ions

a pH meter measures the concentration of hydronium ions, H3O+ in solution through the creation of a concentration differential between a standard hydrogen half cell inside the pH probe and the concentration of hydronium ions outside the probe

  Calculate the moles of ar present

A 330 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 626 mmHg. Calculate the moles of Ar present.

  Define degrees c freezing point acetic acid

find the molar mass of the unknown. 16.6 degrees C freezing point acetic acid and 3.90 degrees C*kg/mol?

  Calculate the final temperature

Calculate the final temperature of 32 mL of ethanol initially at 11 degrees C upon absorption of 562 J of heat.

  What was the final temperature of the gold

A 4.5 g nugget of gold absorbed 276 j of heat. What was the final temperature of the gold if the initial temperature was 25 OC ? The specific heat of gold is 0.129 j/g OC.

  What is the new pressure of the gas in pa

A 782 mL gas sample at STP is compressed to a volume of 131 mL, and the temperature is increased to 22 ? C. What is the new pressure of the gas in Pa? Answer in units of Pa

  State argon gas are held seperate chambers

Two seperate samples of argon gas are held seperate chambers connected with a valve in the middle. Chamber A has a bolume of 2.00 L, and contains 120 g of Ar at 650 K

  Explain molar mass from volumetric data

Molar mass from volumetric data, 2.64g of an organic base, isolated from a shrub in the mountains of Peru was dissolved in 100mL of water. 25.0mL of this solution required 27.5mL of 0.250mL HCL for complete neutralization

  Calculate the enthalpy change for the dissolution

Assuming the solution has a heat capacity of 4.18 J/°C·g and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol.

  How many grams of sodium formate, nacho2, must be added

How many grams of sodium formate, NaCHO2, must be added to 750.0mL of .250 M of formic acid, HCHO2, to obtain a buffer with pH of 5.5

  Calculate the mass in grams of 4.68 mol of sodium bromate

Sodium bromate is used in a mixture which dissolves gold from its ores. Calculate the mass in grams of 4.68 mol of sodium bromate.

  Calculate what will be molarity of kmno4 solution

Using a sample of ferrous ammonium sulfate hexahydrate of 0.5585 grams needs KMnO 4 solution of 21.45 ml to reach a pink endpoint then calculate what will be tha molarity of the KMnO 4 solution?

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