How to calculate concentration of chromate ion

Assignment Help Chemistry

Reference no: EM13515499

Calculate concentration of chromate ion (CrO4) in a 0450 M solution of chromic acid (H2CrO4). (for chromic acid, Ka = .18, Ka2 = 3.2 x 10E-7)

Reference no: EM13515499

Questions Cloud

State the general reaction scheme for an amino acid : Draw the general reaction scheme for an amino acid reacting with ninhydrin and then draw the structures for each component in the solvent system of the following

Obtain the new angular speed of the merry-go-round : A playground merry-go-round of radius R = 1.80 m has a moment of inertia I = 260 kg · m2 and is rotating at 11.0 rev/min about a frictionless vertical axle. What is the new angular speed of the merry-go-round

Explain a salt which has a weak acid as it''s cation : Identify (invent??) a salt which has a weak acid as it's cation and a weak base as its anion so that the salt would yield an acidic solution in water.

Compute the net torque on the system about axle of pulley : A counterweight of mass m = 4.20 kg is attached to a light cord that is wound around a pulley, compute the net torque on the system about the axle of the pulley

How to calculate concentration of chromate ion : Calculate concentration of chromate ion (CrO4) in a 0450 M solution of chromic acid (H2CrO4). (for chromic acid, Ka = .18, Ka2 = 3.2 x 10E-7)

What is the speed of sound in the gas in the tube : One method for measuring the speed of sound uses standing waves. A cylindrical tube is open at both ends, and one end admits sound from a tuning fork. What is the speed of sound in the gas in the tube

Define solutions from 6.0 m solution of acetic acid : How will you prepare the following solutions from 6.0 M solution of acetic acid? Give exact details. Assume that a 10-mL graduated cylinder (in which volumes can be read to the nearest 0.1 mL) and a 100-mL graduated cylinder are available.

Estimate the angular momentum of the particle : A 1.80-kg particle moves in the xy plane with a velocity of v = (4.60i ? 3.20j ) m/s. Determine the angular momentum of the particle

Define what is the mass of nacl dissolved : An aqueous solution of NaCl has a mole fraction of 0.30. What is the mass of NaCl dissolved in 185.9 mL of solution

User Account

All Pages