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Kryger [21]
3 years ago
14

Results published in journals provide the most reliable information about new discoveries because _____

Chemistry
2 answers:
MatroZZZ [7]3 years ago
8 0

Answer:

The given blank can be filled with that they are reviewed by the experts.

Explanation:

A journal can signify towards many things. In its native term, it signifies towards the daily record of activities. In publishing, it can also signify towards different serials or periodicals. An academic journal refers to a generic term signifying towards the scholarly and academic periodicals in general. The scientific journal refers to an academic journal aiming at science, while the medical journal is an academic journal aiming at medicine.

Tasya [4]3 years ago
6 0
They are a primary resource
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Acetic acid is a weak acid with a pKa of 4.76. What is the concentration of acetate in a buffer solution of 0.2M at pH 4.9. Give
Ghella [55]

Answer:

[base]=0.28M

Explanation:

Hello,

In this case, by using the Henderson-Hasselbach equation one can compute the concentration of acetate, which acts as the base, as shown below:

pH=pKa+log(\frac{[base]}{[acid]} )\\\\\frac{[base]}{[acid]}=10^{pH-pKa}\\\\\frac{[base]}{[acid]}=10^{4.9-4.76}\\\\\frac{[base]}{[acid]}=1.38\\\\

[base]=1.38[acid]=1.38*0.20M=0.28M

Regards.

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