Chemistry, 10.11.2021 01:00 stupidtrash

Câu 1: Trình bày phương pháp hóa học nhận biết a. 3 dung dịch: HCl , Na2SO4 , NaCl.
b. 3 dung dịch:NaOH , NA2CO3 , NaCl.
c. 4 dung dịch:HCl , H2SO4 , NaCl , Na2SO4.
Viết phương trình phản ứng xảy ra (nếu có)

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 02:30, caeyanij

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.

Answers: 3

continue

Chemistry, 22.06.2019 03:50, daniel9299

Consider the reaction: n2(g) + o2(g) ? 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?

Answers: 3

continue

Chemistry, 22.06.2019 13:00, nadiarose6345

In a copper wire, a temperature increase is the result of which of the following

Answers: 1

continue

Chemistry, 23.06.2019 00:00, vanessacox45

Total the mass on the syringe. record it in the correct row of the data table. kg done click and drag weights to change the pressure. click the syringe to zoom in and see the volume. intro

Answers: 3

continue

You know the right answer?

Câu 1: Trình bày phương pháp hóa học nhận biết a. 3 dung dịch: HCl , Na2SO4 , NaCl.
b. 3 dun...