State the precipitate is incompletely soluble in hot water

Assignment Help Chemistry
Reference no: EM13169062

An unknown solution forms a white precipitate when treated with 6 M HCl. The precipitate is incompletely soluble in hot water but dissolves completely in NH3. What ion(s) are definitely present?

Reference no: EM13169062

Questions Cloud

Write the equation for the esterification reaction : Write the equation for the esterification reaction between ethanol and acetic acid (ethanoic acid), Write the equation for the esterification reaction between ethanol and acetic anhydride(ethanoic acid anhydride)
State hydrogen and nitrogen have different molecular weights : hydrogen and nitrogen have different molecular weights, so mass fractions will be different than mole fractions.
What is the sign of the change in enthalpy : when liquid water is put into an evacuated vessel at 25 celsius what is the sign of the change in enthalpy, entropy, free energy, and temperature for the system during this process?
Explain organic product obtained is ethyl iodide : When ethyl ether is heated with excess HI for several hours, the only organic product obtained is ethyl iodide
State the precipitate is incompletely soluble in hot water : An unknown solution forms a white precipitate when treated with 6 M HCl. The precipitate is incompletely soluble in hot water but dissolves completely in NH3
State the molar concentration of the sodium hydroxide : If 13.93 mL of NaOH solution is required to reach the stoichiometric point, what is the molar concentration of the sodium hydroxide solution?
An optimization from a particular structure of a compound : An optimization from a particular starting structure of a compound C5H10O2 leads to an energy of 25.12 KJ/mol.
What is the final volume of the gas : The pressure of 3.0 L of an ideal gas in a flexible container is decreased to one-sixth of its original pressure, and its absolute temperature is decreased to one-ninth of the original. What is the final volume of the gas?
Find the melting point of vegetable oil : Keep in mind that it will be too thick and greasy to insert in a capillary tube. Also, remember that the melting point of vegetable oil is well below room temperature.

Reviews

Write a Review

Chemistry Questions & Answers

  How much oxygen gas is needed for this reaction

If 12.5 g of iron(III) oxide (rust) are pro- duced from 8.74 g of iron, how much oxygen gas is needed for this reaction?

  Compute the partial pressures of each liquid

At 50 degrees Celsius, the vapor pressures for methanol and ethanol are 406 and 222 torr, respectively. Given a mixture at 50 degrees Celsius that contains 0.2 mol of methanol and 0.1 mol of ethanol, compute the partial pressures of each liquid an..

  What volume (in cm3) would be occupied by osmium

Osmium has a density of 22.6 g/cm3. What volume (in cm3) would be occupied by a 21.8 g sample of osmium?

  Explain what is moisture content of exhaust

what is moisture content of exhaust? iii) power generated by turbine? iv) at what rate would entropy be generated within turbine? v) assuming the temp of the surroundings T(sigma)=300K what is lost work in kJ/kg of steam?

  How much oxygen will result from the decomposition

The disinfectant hydrogen peroxide (H2O2) decomposes to form water and oxygen gas.How much O2 will result from the decomposition of 3.21 mol of hydrogen peroxide?Answer in units of mol.

  Calculate the amount of heat [kcal] released

Calculate the amount of heat [kcal] released when 50.0 g of steam at 100 °C hits the skin, condenses, and cools to a body temperature of 37 °C.

  What is the initial molarity of the cation

C6H5NH3Cl is a chloride salt with an acidic cation. If 19 g of C6H5NH3Cl is dissolved in water to make 150 mL of solution, what is the initial molarity of the cation.

  Determine the identity of the element

can you find out the name and formula of the unknown compound and determine the identity of the element?

  What is the theoretical yield of bismuth

What is the theoretical yield of bismuth when 393 g of Bi2O3 reacts with excess carbon as shown below? Bi2O3 + C(s) => Bi(s) + CO(g) (not balanced)

  Which variable represents the anhydrous salt

Given the general formula of a hydrate, Z. nH2O, which variable represents the anhydrous salt? the number of water molecules in each hydrate crystal?

  Define the enthalpy of combustion of benzoic acid

The enthalpy of combustion of benzoic acid is commonly used as the standard for calibrating constant-volume bomb calorimeters; its value has been accurately determined to be 3226.7kJ/mol.

  Calculate the pressure of oxygen

A steel tank has a volume of 438 L and is filled with 0.885 kg of oxygen. calculate the pressure of oxygen at 69.8 fahrenheit.

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