The factor involved in determining the % ZnO in a sample where Zn was precipitated as Zn3(PO4)2 is A. 3ZnO /Zn3(PO4)2 B. ZnO / Zn2P2O7 C. 3 Zn2P2O7/ 2 Zn3(Po4)2 D. 2 Zn3(PO4)2/3 Zn2P2O7

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A: Balancing equation: As per our guideline we have to answer first three questions only.

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Q: Consider the radioisotope 226Ra (half life = 1.60 x 10' years). What is the first order rate constan...

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A: Solution                             Given that  The calculated quantities of NH4Cl & NH3 need t...

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A: Given: Mass of octane = 100 g. And mass of oxygen = 200 g.  

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Q: a the Kc expression for

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Q: The reaction 2 NO2 2 NO + O2 is postulated by the following mechanism. NO2 + NO2 → NO + NO3 (slow) N...

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Q: 4. Wheat moisture content is needed to be adjusted (desired) to 15%. However, during flour milling p...

A: NOTE: Since you have asked multiple questions, we will solve the first question for you. If you want...

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Q: estion 8 2N20(g)+ N2H4(9) 2 2H20(g) + 3N2(g) If Ke for the above reaction is 36.94 at 197.9 K, what ...

A: given  Kc =36.94 at temperature 197.9K for an equilibrium reaction we are required to find kp using ...

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Q: Which of the following statements are true and which are false.

A: The ground state energy of electron in hydrogen atom is equal to -13.6 eV  The general formula En = ...

Q: What is the conjugate base of HPO42-? OA H3PO4 O B. PO43 H2PO4 O D.OH O E HPO4

A:

Q: 7 The decomposition of acetaldehyde is a second order reaction with a rate constant of 4.7lx10°Lmol!...

A: Given:  Rate constant (K) = 4.71 x 10-8 L mol-1 s-1  Concentration of acetaldehyde = 5.55 x 10-4 M 

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A: Thermal energy is the energy produced dur to motion of particles. So, as the intermolecular forces o...

Q: Stannous fluoride, or Tn(II) fluoride, is a compound commonly used in toothpastes with similar in fu...

A: All the NMR spectrum shown in Step 2:

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A: the scientific definition about the boiling water is given below.

Q: Synthethic Natural Gas (SNG)

A: In this question we have to explain that the empirical relations equation for mixture of gases , est...

Q: Kw in pure water at 10°C is 5.03 x 10-15. What is the pH of pure water at 10 °C? (the answer should ...

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Q: What is the purpose of the acetic acid experiment?

A: We have to discuss about the purpose of acetic acid experiment.

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A: Since you have posted multiple questions, as per our company guidelines we are supposed to answer on...

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A: We have to predict the pH of solution .  

Q: what is the reaction that tartaric acid has with water?

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Q: Nitrogen dioxide decomposes according to the reaction: 2 NO2(g) = 2 NO(g) + O2(g) where Kn = 4.48 x ...

A: Given data,Kp=4.48×10-8Initial pressure of NO2=0.565 atm

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Q: Triphenylmethanol LAB Q 2. Would it be possible to use ethanol instead of diethylether to prepare th...

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Q: НО. HO, ОН CI НО, CI .NH 'N- HOH HN, 'N' *NH NH2 HO OH HO ZIO

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Q: tion 20 Place the following substances in an INCREASING order based on the expected pH of an aqueous...

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Q: What is the conjugate base of H3PO4? OA H2PO42- А. OB. HPO42- OC.OH O D.PO43- O E. H2PO4

A: Write conjugate base of H3PO4 ?

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Q: The second order reaction A Products takes 13.5 s for the concentration of A to decrease from 0.740M...

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Q: TEST YOURSELF A 6.234-mg sample produced 12.123 mg CO. and 2.529 mg of H-O. Find the wt of C and H i...

A: Given mass of sample = 6.234 mg  Mass of CO2 = 12.123 mg  Mass of H2O = 2.529 mg 

Q: What is the total net charge of the H3PO4-H2PO4-HPO4-PO4 polyprotic system at a pH of 9.6. If necess...

A: The solution of the question is given below:

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.