Chemistry, 27.01.2021 20:40 shatoriahubbard3255

Mass data for reaction of NaHCO3-Na2CO3 mixture with HCL: Mass of crucible and cover (g) 28.8258
Mass of crucible, cover and mixture (g) 29.4948
Mass of crucible, cover and residue after reaction with HCL (g)

1st weighing... 29.4454
2nd weighing... 29.4455

Required:
Calculation of percent composition of NaHCO3 and Na2CO33 in an unknown mixture

Answers: 1

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 04:00

What layer of the atmosphere is directly above the troposphere?

Answers: 1

Answer

Chemistry, 22.06.2019 06:30

If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution

Answers: 1

Answer

Chemistry, 22.06.2019 07:20

Part b: study of equilibrium on solubility: mg(oh)2(s) ⇌ mg2+(aq) + 2 oh–(aq) cloudy clear (pink) 7. a. b. 8. a. b. 9. 10. 11. 12. when adding concentrated hydrochloric acid, how did the appearance of the equilibrium mixture change? the change in appearance indicated a shift in the point of equilibrium. in which direction did the equilibrium shift? (l) left (r) right explain your answer to question 7a. you should indicate which ion was added to or removed from the equilibrium mixture. when adding edta, how did the appearance of the equilibrium mixture change? the change in appearance indicated a shift in the point of equilibrium. in which direction did the equilibrium shift? (l) left (r) right explain your answer to question 8a. you should indicate which ion was added to or removed from the equilibrium mixture. upon heating in which direction is the equilibrium shifting? upon cooling in which direction is the equilibrium shifting? is the forward reaction a. endothermic explain your answers to questions 9, 10, and 11. (l) left (r) right (l) left (r) right b. exothermic

Answers: 1

Answer

Chemistry, 22.06.2019 09:00

Which explanation is true about what happens to a ray of light when it strikes a mirror? a. a light ray is transmitted toward a mirror at a certain angle. the light ray is then reflected by the mirror at an equal angle but in the opposite direction of the transmitted ray. b. an incident ray strikes a mirror at an angle with a line perpendicular to the mirror. the light ray is then reflected at an angle equal to the angle of incidence but on the opposite side of the perpendicular line. c. a reflecting ray strikes a mirror at an angle with a line perpendicular to the mirror. the light ray is then refracted at an angle equal to the angle of the reflecting ray and on the same side of the perpendicular line. d. an incident ray strikes a mirror at an angle with a line parallel to the mirror. the light ray is then transmitted at an angle equal to the angle of incidence but on the opposite side of the parallel line. you so much! : -d take the time to try and answer correctly.

Answers: 3

Answer

You know the right answer?

Mass data for reaction of NaHCO3-Na2CO3 mixture with HCL: Mass of crucible and cover (g) 28.8258

Questions