Be sure to answer all parts. Find the pH during the titration of 20.00 mL of 0.1000 M butanoic acid, CH3CH2CH2COOH (Ka = 1.54 × 10−5), with 0.1000 M NaOH solution after the following additions of titrant. A) 13.0 mL B) 20.20 mL C) 29.0 mL
1. calculate the pH of a solution with [H3O+]= 2.4x10^-5M 2. the pOH for a KOH solution is 4.5, determine [H+] for the solution. 3. A 15.00 mL sample of NaOH solution of unknown concentration required 17.88 mL of 0.1053 M H2SO4 solution to reach the equivalent point in a titratiom. what is the concentration of the NaPH Solution?
university of physics chap 8 example 8.12 question B angle alfa and Betta could you help me doing step by step to find the degree please? thank you (0.500 kg)(4.00 m/s) - (0.500 kg)(2.00 m/s)? 0.300 kg Vg2 = 4.47 m/s the details of the solution (Hint: Solve the first equation for and the second for sin B: square each...
Complete ionic equation CaBr2(aq)+2AuClO4(aq) → 2AuBr(s)+Ca(ClO4)2(aq) The molecular equation you determined in Part B is shown above for your convenience. Examine each of the chemical species involved to determine the ions that would be present in solution. Be sure to consider both the coefficients and subscripts of the molecular equation, and then write this precipitation reaction in the form of...
How do you go about solving this? At-13.0 °C (a common temperature for household freezers), what is the maximum mass of sorbitol (C6H1406) you can add to 3.000 kg of pure water and still have the solution freeze? Assume that sorbitol is a molecular solid and does not ionize when it dissolves in water. Kr values are given here. Number
At equilibrium of [H+] in a 0.250 M solution of an unknown acid is 4.07 x 10-3 M. Determine the degree of ionization and the Ka of this acid.
Question 13 Note Marked out of 500 P Flag question Use the standard reduction potential values from your chemistry data sheet to answer this question For the cell shown, the measured cell potential is -0.3565 V at 25°C. Pt(s)H(0.0.815 atm) |H(aq, ? M) || Cd (aq, 1.00 M) | Cd (s) (a)(1 mark) Determine the standard potential of the anode...
Decide whether each of the following is water-soluble. If soluble, tell what ions are produced when the compound dissolves in water (a) NajCO (b) CuSO (c) NiS (d) BaBe. b. Predict the products of each precipitation reaction. Balance the equation, and then write the net ionic equation. (a) NiCl(aq) + (NHS(aq) th) Mn(NOlaq) + Na POalaq) Complete and balance the...
determine the pH of a 0.62 M NH4NO3 solution at 25 degrees Celcius. The Kb for NH3 is 1.76*10^-5
using the equilibrium expression and the Ka of 1.8 X 10-5, Determine the Morality of the CH3COOH solution. With a Ph of 4,6.