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(a) What is the pH of this buffer? (b) What is the pH of the buffer after the addition of 0.48 mol of NaOH? (assume no volume change) (c) What is the pH of the original buffer after the addition of 0.23 mol of HI? (assume no volume change)
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For each of the following reactions identify the oxidizing agent and the reducing agent. 2Na(aq)+2H2O(l)→2NaOH(aq)+H2(g) C(s)+O2(g)→CO2(g) 2MnO-4(aq)+5SO2(g)+2H2O(l)→2Mn2+(aq)+5SO2-4(aq)+4H+(aq)
What is the ph in a solution made by mixing 60.0ml of 0.0120 Ba(OH)2 with 20.0 mL of 0.0500M acetic acid?
Why does a hydrate exist only as a solid? What characteristic of a hydrate is responsible for this phenomenon?
Assignment: Application: Planned Change in a Department or Unit Health care organizations are continuously immersed in change from the emergence of new policies, to promote quality care and improve patient safety to keep ...
H 2 (g) + I 2 (g) = 2HI Temperature = 731 K If 1.60 mol H 2 and 4.20 mol I 2 areplaced in a 1.08 L vessel What is the equilibrium concentration of H 2 in the gaseous mixture? The equilibrium constant is K = 49.7
A sample of gas in a cylinder has an initial volume of 56.0 L , and you have determined that it contains1.60 moles of gas. The next day you notice that some of the gas hasleaked out. The pressure and temperature remain t ...
A Nutrition Facts label on a food package indicates that one serving contains 2% of the recommended daily allowance (RDA) of iodine. If the serving size is one cup and the RDA for iodine is 0.15 mg per day, calculate the ...
The mass of a sample of CaCO3 is 751 grams How many total atoms are present in this sample?
Question 1: Bonding Energy i. Draw an energy level diagram for a single Na ion and Cl ion. ii. Explain what is happening to the energy level between these two ions in terms of the Potential Energy. iii. Which process uti ...
A solution is made by mixing 30.0ml of 0.240M NH3(aq) with 30.0ml of 0.240 M hydrochloric acid. What is (Are) the principal species and their molarities in the resulting solution? What is the PH of the solution?
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