Questions LLC
Login
or
Sign Up
Ask a New Question
Chemistry
Analytical Chemistry
Qualitative Analysis
An unknown sample was acidified with dil. HCl tard, and barium chloride was added. A white precipitate, insoluble
in excess HCI(aq) indicates the presence of
1 answer
sulfate ions (SO4^2-).
You can
ask a new question
or
answer this question
.
Related Questions
A 0.940g sample of barium chloride dehydrate is heated and 0.800g of anhydrous residue remains after cooling.
A. How many moles
The vapor pressure of pure water at 85 celsius is normally 433.6 mmHg but decrease to 393.8mmHg upon addition?
of an unknown
A sample is to be analyzed for its chloride content by precipitating and weighing silver chloride. What weight (g) of sample
A 10g sample of an unknown ionic compound is dissolved, and the solution is treated with enough AgNO3 to precipitate all the
A chemist added an excess of sodium sulfate to a solution of a soluble barium compound to precipitate all of the barium ion as
A solution contains an unknown mass of dissolved barium ions. When sodium sulfate is added to the solution, a white precipitate
A student was given a 2.45 g of impure potassium sulfate (K2SO4) sample. He dissolved this sample in 100 mL of water first and
a mixture containing only sodium chloride and potassium chloride has a mass of 4 g. when this sample is dissolved in water and
Greg reacts 5.0 moles of hydrochloric acid(HCL)with 1.5 moles of barium hydroxide(Ba(OH)2).Which reagent is the limiting
A 40 mL sample of 0.25 M NaCHOO is
titrated with 0.2 M HCl. What is the pH of the solution after 140 mL of HCl has been added?