The molar mass of boron atoms in a natural
sample is 10.79 g/mol. The sample is known
to cons...
Chemistry, 11.10.2020 14:01, dominikbatt
The molar mass of boron atoms in a natural
sample is 10.79 g/mol. The sample is known
to consist of 10B (molar mass 10.013 g/mol)
and TB (molar mass 11.093 g/mol). What is
the percentage abundance of 10B?
Answer in units of %.
Answers: 2
Chemistry, 22.06.2019 13:50, amandamac7339
Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.
Answers: 1
English, 29.06.2019 22:20
History, 29.06.2019 22:20
English, 29.06.2019 22:20
English, 29.06.2019 22:20
History, 29.06.2019 22:20
History, 29.06.2019 22:20
English, 29.06.2019 22:20