Chemistry Topic Questions
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We found 297 questions associated with the 'Chemistry' topic. Displaying results 251 - 260.
Empirical formula of C7H9O and a molar mass of 215.0 g/mol. Determine molecular formula?
A) C7H9O B) C14H18O2 C) C21H27O3 D) C28H36O4
Posted 3+ months ago | 1 answers | 
| Open
How to dilute a solution with same volume?
I have a solution 5M. into 2L. and I want to dilute it to any value less than 5M such as 3M or 2.5M "into 2L" . please help me...
Posted 3+ months ago | 1 answers | | Open
Related topics: solution, volume, chemistry, chemistry lab
Which type of liqued is using in photograpy?
Posted 3+ months ago | 1 answers | | Open
Related topics: type, photgraphy, chemistry
How I apply to harvard university to study biology,chemistry,mathematics,physics want name of colle?
i want to study the biology, chemistry, physics and mathematics in the united states, i am an international student so i don't know how to apply ...
Posted 3+ months ago | 1 answers | 1 star | Open
Related topics: study, state, university, international, harvard, student, chemistry, united, physics, united states, biology, mathematics, ...
Pls what is the difference between valency,ionization and electron?
Posted 3+ months ago | 1 answers | 1 star | Open
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