0.5927-g sample was dissolved, and the Ca2+ and Ba2+
ions present were precipitated as BaC2O4
...
0.5927-g sample was dissolved, and the Ca2+ and Ba2+
ions present were precipitated as BaC2O4
.H2O and
CaC2O4
.H2O. The oxalates were then heated in a thermogravimetric apparatus leaving a residue that weighed
0.5127 g in the range of 320°C–400°C and 0.4362 g in the range of 580°C–620°C. Calculate the percentage Ca
and percentage Ba in the sample.
Answers: 2
Geography, 21.06.2019 16:00, sammysosa121832
Hector is a state court judge. ilena appears in a case in hector’s court, claiming that jacob breached a contract. possible remedies include a. imprisonment. b. an award of damages. c. a criminal fine. d. compensation to hector for a favorable ruling.
Answers: 2
Geography, 23.06.2019 16:40, btaylor1179
To obtain a microcredit loan, a person typically must a. be a male and have a source of income b. provide collateral and sign paperwork c. verbally promise to pay back the money d. have a good credit history select the best answer from the choices provided. a b c d
Answers: 2
Geography, 23.06.2019 23:40, LEXIEXO
Which of these is a drawback of using natural gas? a. it is fairly safe for use in homes. b. it burns more cleanly than crude oil products. c. scientists have developed new ways of extracting it. d. during its extraction, groundwater can be contaminated.
Answers: 2