Explain separate samples of an aqueous solution

Assignment Help Chemistry
Reference no: EM13162912

A.) Separate samples of an aqueous solution of an unknown ionic salt are treated with dilute aqueous solutions of silver nitrate, lead nitrate, and barium chloride. Precipitates are formed in all three cases. Which of the following could be the anion of the unknown ionic salt: Br, CO3, NO3? Give the basis (reason) for your answer. (yikes help?) B.) Separate samples of an aqueous solution of an unknown ionic salt are treated with dilute aqueous solutions of hydrochloric acid, sulfuric acid, and potassium hydroxide. Precipitates are formed in all three cases. Which of the following could be the cation of the unknown ionic salt: Na, Pb2-, Sr2-?

Reference no: EM13162912

Questions Cloud

Determine the shape of pcl3 : Determine the shape (geometry) of PCl3 and then decide on the appropriate hybridization of phosphorus in this molecule
How do they earn their return on equity : Different companies have different financial ratios. So Return on Equity for any one company is the product of three ratios which may be quite different in value than the same three ratios for a different company.
What is the new partial pressure of hi : An additional atm pressure of HI is admitted to the con- tainer, and it is allowed to come to equilib- rium again. What is the new partial pressure of HI?
What volume will the dry gas have at stp : If 18mL of oxygen are collected over water at 27 degrees Celcius and 740 mm Hg of pressure, what volume will the dry gas have at STP?(The vapor pressure of water at 27 degrees celcius is 26.7 mm Hg)
Explain separate samples of an aqueous solution : Separate samples of an aqueous solution of an unknown ionic salt are treated with dilute aqueous solutions of hydrochloric acid, sulfuric acid, and potassium hydroxide. Precipitates are formed in all three cases.
What is the molecular formula of the unknown acid : assuming the unknown acid has one acidic proton per molecule, what is the molecular formula of the unknown acid?
Calculate the amount of hcn formed : If a sample of 0.230 grams of KCN is treated with an excess of HCL, calculate the amount of HCN formed, in grams.
Write the overall equation for the reaction : Write the overall equation for the reaction. B) Do you expect this reaction to go by an E1 or an E2 mechanism?
Ancient societies : As farming became fundamental to ancient societies in Central America, it had a drastic impact on the population of these societies. Identify what you believe to be the three most important effects of farming, and explain your choices thoroughly.

Reviews

Write a Review

Chemistry Questions & Answers

  How much heat is evolved per gram of fuel burned

3.5 g of a hydrocarbon fuel is burned in a vessel that contains 250. grams of water initially at 25.00 C. After the combustion,the temperature of the water is 26.55 C.

  Determine the gas pressure

A sample of gas (24.2 g) initially at 4.00 bar was compressed from 8.00 L to 2.00 L at constant temperature. After the compression, the gas pressure was ________ bar.

  Determine the initial pressure of carbon tetrachloride

The equilibrium constant Kp for the reaction ; CCl4(g) C(s) + 2Cl2(g) at 700 celcius is 0.76 atm. Determine the initial pressure of carbon tetrachloride

  Compute total enthalpy change in the first stage

Calculate total enthalpy change in the first stage and in both stages.

  Calculate the amount of naf in milligrams

Water supply in a city is fluoridated by adding NaF. The preferred concentration of F- is 1.6ppm.calculate the amount of Naf in milligrams should be added per gallon (treated water) if the water supply is 0.2 ppm in F-?

  Find what is the molar mass of the substance

A solution containing 100g of an unknown substance and 900g of water. The solution has a Freezing Point of -3.33*C. What is the molar mass of the substance?

  What is the partial pressure of argon

A 1-L flask is filled with 1.10 g of argon at 25 C. A sample of ethane vapor is added to the same flask until the total pressure is 1.20 atm . What is the partial pressure of argon,PAr , in the flask?

  State what is the ph of this combined solution

solution if its conjugate acid. What is the pH of this combined solution? Always give two numbers after the decimal place

  Define the substance ammonium nitrite

Under certain conditions, the substance ammonium nitrite can be broken down to form nitrogen and water. If 32.4 grams of ammonium nitrite react to form 14.2 grams of nitrogen

  The combustion of alkanes alkenes and alkynes produces

The combustion of alkanes, alkenes and alkynes produces, A. water and carbon. B. carbon dioxide and hydrogen. C. oxygen and hydrogen. D. hydrogen and water. E. carbon dioxide and water.

  Calculate how many moles of sodium phosphate required

Calculate how many moles of sodium phosphate are needed to react completely with 4.6 mol of calcium nitrate( Ca(NO 3 ) 2 ) to form sodium nitrate  (NaNO 3 ) and calcium phosphate?

  Processes of melting and freezing

Multiple choice questions in organic chemistry - Which of the following statements are true about the processes of melting and freezing?

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