THE ANSWER IS B SORRY FOR THE CAPS(:
I just took a test with this question and got the answer wrong for saying ethane. The correct answer is propane.
The two control bases would be water and salt.
Answer:
0.544 M
Explanation:
First find the moles in the final solution
0.8 mols/L *1.7L
1.36 mols
so there is 1.36 mols in 2.5L
concentration will be 1.36/2.5
0.544 M
Electronnegativity increase because the number of charges on the nucleus increases. Which attracts the bonding amount of electrons more.