makayyafreeman
26.10.2020 •
Chemistry
Commercial hydrochloric acid is 12.1 M. What volume of commercial HCl solution should be used to prepare 250.0 mL of 3.00 M HCl
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Ответ:
Given :
Commercial hydrochloric acid is 12.1 M.
To Find :
Volume of commercial HCl solution should be used to prepare 250.0 mL of 3.00 M HCl.
Solution :
We know :
Therefore, volume of commercial HCl required is 61.98 mL.
Hence, this is the required solution.
Ответ:
Explanation:
10 km = 10000m
30 min = 1800 sec
10000 ÷ 1800 = 5.556 m/s