To prepare 1% hydrochloric acid for destaining, 1 ml of concentrated hydrochloric acid will be added to of water.

Hydrochloric Preparation

acid

Solution

• Take about 100 ml of water in a cleaned and dried 1000 ml volumetric flask.

Add about 8.5 ml of Conc. Hydrochloric acid with continuous stirring.

• Add more about 700 ml of water, mix and allow to cool to temperature. room

• Make up the volume 1000 ml with water. Mix solution thoroughly.

Keep the solution for at least one hour and thencontinuous stirring.

Add more about 700 ml of water, mix and allow to cool to temperature. room

• Make up the volume 1000 ml with water. solution thoroughly. Mix

• Keep the solution for at least one hour and then carry out the standardization.

Related: Determination of Shelf Life of Solutions in Laboratory

hope it helps friends

answer is: empirical formula is tl₂o. if we use 100 grams of compound, tha:

m(tl) = 96.2%  · 100 g ÷ 100%.

m(tl) = 96.2 g.

n(tl) = m(tl)  ÷ m(tl). n(tl) = 96.2 g  ÷ 204.4 g/mol.

n(tl) = 0.47 mol. m(o) = 3.77 g. n(o) = m(o)  ÷ m(o). n(o) = 3.77 g  ÷ 16 g/mol. n(ag) = 0.235 mol. n(tl) . n(o) = 0.47 mol : 0.235 mol /0.235. n(tl) . n(o) = 2 : 1.

m(tl₂o) = 204.4 g/mol  · 2 + 16 g/mol = 424.8 g/mol.

m(compound) = 456. 8 g/mol - 424.8 g/mol = 32 g/mol ( 2 oxygens); tl₂o₃.