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A 0.542 g sample of an unknown monoprotic weak acid requires 28.67 mL of 0.1093 M NaOH for neutralization. What is the molar mass of the acid?
When I did it I got 173 g/mol, but Im uncertain.
A) 88.0 g/mol
B) 109 g/mol
C) 173 g/mol
D) 218 g/mol
E) 352 g/mol
Ammonia reacts with hypobromite, OBr-, according to the equation below. Find the molarity of OBr- is 13.35mL of solution reacts with 4.66mg of NH3 (molar mass = 17.03). 2NH3 + 3OBr- ----> N2 + 3Br- + 3H2O
For the same atoms at the lattice points, which lattice exhibits the lowest density? (please explain your reasoning) (A) body-centered cubic (B) face-centered cubic
considering the given reduction potentialsasnbsp ag? aq eoline 1 electron ag s edeg 0.800 voltsnisup2? aq 2 eoline 2
A total of 2.00 of a compound is allowed to react in a foam coffee cup that contains 130 of water. The reaction caused the temperature of the water to rise from 21.0 to 24.7 . What is the enthalpy of this reaction. Assume that no heat is lost to t..
the pkas of benzoic acid and 4-nitroanilinium hydrochloride are 4.2 and 1.0 respectively.a. determine the keq for the
What is the wavelength, in nanometers, of the light emitted when the electron in a hydrogen atom drops from the energy level n_i = 12 to n_f = 5
Looking at the structures for blue indigo and white indigo, how can you tell that white indigo is the reduced form. What chemical process happens as the fabric dries
When 0.060 mol of propionic acid, C2H5CO2H, is dissolved in 500 ml of water, the equilibrium concentration of H3O+ ions is measured to be 2.41 x 10-3 M. What is Ka for this acid?
you are holding 2 balloons, an orange balloon and a blue balloon. the orange balloon is filled with neon gas and the blue one is filled with argon gas. The orange balloon has twice the volume of the blue ballon. What is the mass ratio of Ne:Ar in ..
Calculate the percent population of the first 10 rotational energy levels for HBr (rotational constant B = 8.46cm^-1) at 298K?
The average molecular speed in a sample of CH4 gas is 641 m/s at 311 K. The average molecular speed in a sample of He gas is ________ m/s at the same temperature.
What explanation can you give as to why a dilute aqueous solution of PtCl42- is pale yellow to colorless, but a concentrated solution is deep red
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