When group 2a element from ion they
a. lose two proton
b. gain two proton
c. l...
Chemistry, 11.10.2019 23:30 viridianasar5158
When group 2a element from ion they
a. lose two proton
b. gain two proton
c. lose two electron
d. gain two electron
Answers: 3
Chemistry, 22.06.2019 18:00
Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
Answers: 1
Chemistry, 22.06.2019 20:00
The volume of a single vanadium atom is 9.29Ć10-24 cm3. what is the volume of a vanadium atom in microliters?
Answers: 3
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