A river water was tested to determine the presence of group 1 cation. A white precipitate was obtained by adding hydrochloric acid and dissolving completely in ammonium hydroxide. Identity the cations present and absent in the water sample.

Q: Experiment#4 – Lewis & VSEPR CH3OH CH2N2 HCO3-

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...

Q: %3D 2n do 4. Determine whether the following orbitals are eigenfunctions of l. (1, = -i- If yes, sho...

A:

Q: Which of the following statements is correctly labeled as true or false? Choose all correct answers ...

A: We will see each statement if it's true or false and why. 

Q: You are assigned to synthesize potassium chlcrate using 10 grams of sodium hypochlarite and 10 grams...

A: metathesis reaction, also called a double replacement reaction, is a chemical process involving the ...

Q: density

A:

Q: swater.

A: This is a multiple questions. According to guidelines in multiple questions we can solve only one st...

Q: QUESTION9 Which of the following alkenes yield(s) 3-bromo-3-methylpentane as the major product upon ...

A: Addition of HBr on unsymmetrical alkenes follows markovnikov addition rule.

Q: Measurements show that the energy of a mixture of gaseous reactants decreases by 206. kJ during a ce...

A: The work done on the gas mixture is =-145. kJ The change in the energy of the gas mixture is = 206. ...

Q: In the laboratory a student combines 32.6 mL of a 0.431 M cobalt(II) fluoride solution with 22.6 mL ...

A: The final concentration of Cobal (II) cation can be determined by the total moles of Cobalt(II) diss...

Q: What makes water a very unusual liquid?

A: Water is a universal solvent. 

Q: QUESTION 12 Which of the following reactions are correct? There may be more than one correct answer ...

A:

Q: Caffeine (C,H10N4O2) is a weak base with a pKp of 10.4. Part A Calculate the pH of a solution contai...

A: We have to predict the pH of the solution.  

Q: Determine the value of E°cell and ∆G° of the reaction: Al + 3Ag+ —> Al3+ + 3Ag

A:

Q: Consider the reaction, N2O4(g) ⇌ 2 NO2(g) where the value for Kc is 2.0 x 10-6. The initial concentr...

A:

Q: The pressure of steam at a temperature of 500°C and a density of 8.606593 kg/m3 in kPa is O 7000 600...

A: Answer: This question will be solved by using density form of ideal gas equation.

Q: QUESTION 7 Identify compound Y? H2 Bi2 Y CH3 = CH3 Lindlar Pd racemic (2S,3R) and (2R,3S)-2,3-dibrom...

A:

Q: [0] OH Consider the molecule above. If treated with chromate solution, {"version":"1.1","math":" CrO...

A:

Q: QUESTION 6 Which of the following reactions form the products shown? Choose all correct answers. CI ...

A: 6. Sol :- Given reactions are : Which of the following reactions form the product shown ? choose al...

Q: Understanding the definitions of heat alu WU A mixture of gaseous reactants is put into a cylinder, ...

A: Given,  Amount of energy absorb = 266 KJ  Amount of heat flows out of the system during the reaction...

Q: Make a Bjerrum-type plot for H2S- HS--S2-. To start: a) Write out the dissociation equilibria (the r...

A: Given that, H2S-HS--S2-. We have to write the dissociation equilibria and the equilibrium constant e...

Q: I have a balloon that can hold 125,000 mL of air. If I blow up this balloon with 3 moles of oxygen g...

A:

Q: Measurements show that the enthalpy of a mixture of gaseous reactants increases by 254. kJ during a ...

A: Given :- Q = +254 KJ positive because energy is absorbed by system W = +185 KJ positive because work...

Q: Part 1 Do not include states of matter, multiplication symbols, or extra spaces. Use brackets [] to ...

A:

Q: Туре: МС UESTION 6 Which of the following reactions form the products shown? Choose all correct answ...

A: Here we have to determine the correct product formed in the following given reaction. Addition of Cl...

Q: Aspirin powder = 0.8110g MW of Aspirin = 180g.mol-1 Volume of 0.5N HCl consumed in back titration ...

A: Volume of 0.5N HCl consumed in back titration = 23.50 mL      

Q: Manganese commonly occurs in nature as a mineral. The extraction of manganese from the carbonite min...

A: For the net chemical reaction, we have to eliminate all the intermediates .  

Q: alculate: c. Total number of ions in 5.82 g of SrH2 d. Mass in mg of 2.88 x 10 22 formula units of ...

A: c)  No. of ions in 5.82 g of SrH2                Molar mass of SrH2 = 89.64 g/mol                5.8...

Q: Which of the following aqueous solutions are good buffer systems? 0.26 M ammonia + 0.37 M calcium hy...

A:

Q: e mass

A: Since you have asked multiparts, we will solve the first three subparts for you. If you want any spe...

Q: C. Draw the chemical structure of the following: 11. bromocyclobutane 12. propylcyclohexane 13. fluo...

A: Given compounds: bromocyclobutane propylcyclohexane fluorocyclopentane 5-fluoro-7-methylcyclooctane...

Q: QUESTION 11 How would you carry out the following conversion? ECH2 HOH O (1) H20, H2SO4/H9SO4; (2) H...

A:

Q: Describe the reaction between Alkaline Phosphatase and PNPP.

A:

Q: Calculate the pH for each of the cases in the titration of 25.0 mL of 0.240 M pyridine, C,H,N(aq) wi...

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...

Q: a stuent titrates 50 mL of saturated calcium sulfate against 34.75mL o 0.115M NaOH to reach her equi...

A:

Q: 1. Write a chemical reaction for the synthesis of nylon 6.10. What natural polymers do nylons resemb...

A:

Q: faster than it did at 335 K? 382 K. T = Incorrect

A: Given initial temperature is 335k

Q: QUESTION 9 Which of the following alkenes yield(s) 3-bromo-3-methylpentane as the major product upon...

A: The answer is as follows:  

Q: Balancing using only oxidation number method. Please show complete steps in balancing. Don’t skips i...

A: The solution is as follows:  

Q: Drow the most electron-rich carbon atom in ho Compound below:

A: We have to determine the most electron-rich carbon atom in the given atom.

Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gas...

A: According to question heat is absorbed by the system so the reaction is endothermic. 

Q: Determine the molar concentration of Cl^{-} ions in 6.16E-1 M CaCl_{2}(aq).

A:

Q: In lab, you observed and classified multiple reactions. You mix a clear blue solution and a clear ye...

A: To select the option that satisfy that a chemical reaction is not take place.,  

Q: Hydrogen chloride and oxygen react to form water and chlorine, like this: 4HCI(g)+O,(8) 2H,0(g)+2Cl,...

A:

Q: The equilibrium constant for the following reaction is K = 53.9 at a given temperature. If 1.21 mol ...

A: Answer: Equilibrium constant expression for any equilibrium is the ratio of active masses of product...

Q: Data and Observations Percent phenol in liquefied phenol: 91% Weight of product: 0.76g Melting point...

A:

Q: NC CH 3 (CH3NCH, CH CH; (E) QUESTION 15 What configurations are found in the product(s) of the react...

A:

Q: An aqueous solution of NH3 has a pH of 11.6. The ammonia (NH3) molecule is the conjugate base of NH4...

A:

Q: QUESTION 1 Choose all the correct names. There may be more than one. 2,5-dimethyl-3-hexyne 4,4-dimet...

A: Solution   To identify the Correct name we should follow these steps 1. We should draw the structure...

Q: QUESTION 9 Which of the following alkenes does not yield 3-bromo-3-methylpentane as the major produc...

A:

Q: For the balanced chemical reaction 4Al + 3O2 → 2Al2O3 how many grams of Al2O3 can be made by react...

A: Balanced reaction is:4 Al + 3 O2 --> 2 Al2O3 from above reacton,mol of Al2O3 formed = (2/3)*mol o...

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.