What mass to the nearest tenth of a gram, is needed to balance this chemical reaction equation?
16AI
+
35
-
8AIS
8
2 3
+
7.4 g
24.5 g
24.5 g
o
17.1 g
131.99
None of the above

Identify one disadvantage to each of the following models of electron configuration: dot structures arrow and line diagrams written electron configurations type in your answer below.

Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?

Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness