Notifications
Clear all
Some Basic Concepts of Chemistry
1
Posts
2
Users
0
Likes
231
Views
0
11/08/2021 11:58 am
Topic starter
Two glucose solutions are mixed. One has a volume of 480 mL and a concentration of 1.50 M and the second has a volume of 520 mL and concentration 1.20 M. The molarity of final solution is
(a) 1.20 M
(b) 1.50 M
(c) 1.34 M
(d) 2.70 M
1 Answer
0
11/08/2021 12:02 pm
Correct answer: (c) 1.34 M
Explanation:
\(M_1V_1 + M_2V_2 = M_3V_3 (V_3 = V_1 + V_2)\)
1.5 x 480 + 1.2 x 520 = \(M_3\)x 1000
\(M_3\) = 1.34 M