Answer:
The answer is C.) made it possible for people to be more productive and creative.
Explanation:
got it right on edge
So that if they wanted to learn more about a certain topic or idea they and do more research on one of the cites.
And it gives credit to the websites.
A primary source is from someone who was apart of the event that’s being sourced, such as a holocaust survivor recounting the events of the holocaust, or someone who witnessed a murder. A secondary source would be someone sharing the primary source, such as a newspaper or a book! Hope this helps!
The quantity of required dry solute is <u>4.1g KCl for 107 g of 0.535m soln.</u>
<u>Explanation:</u>
<u>
Given:</u>
MM of KCl is 74.55
107g of 0.535m KCl
0.535 molal = 0.535 mols KCl/kg solvent.
0.535 mols KCl = 74.55 x 0.535
= 39.88 g KCl.
Therefore a 0.535 m soln consists of 39.88 g KCl + 1000 g H2O for a total of 1039.88 g solution.
To get 107 g of solution
39.88 x (107/1038.88) = 4.1g KCl for 107 g of 0.535m soln.
The quantity of required dry solute is 4.1g KCl for 107 g of 0.535m soln.
