<span>Both the salicylic acid and the aspirin contains the carboxylic acid groups. Yes, the mixture of salicylic acid and aspirin can be separated by using the acid-based extraction. To dissolve the aspirin you need to use NaOH and it can isolate the aqueous layer.</span>
As a trend or pattern, the atomic radius decreases as you go left to right across the period, but increases as you go down a particular group.
It is important to examine both the colour and the streak of a mineral because the streak may be completely different from the colour of the hand specimen.
The streak of a mineral is the color it possesses after it has been grounded to a fine powder. The streak test has to be done on minerals because it is a more reliable way of identifying a mineral with its color.<span />
- If the abundance of the first isotope is 68.037%, then the abundance of the second isotope is 100%-68.037%.
Substituting into the atomic mass formula,
