Answer:A and B
Explanation: orientation and energy is all that matters
Answer:
2) 0.4 mol
Explanation:
Step 1: Given data
- Volume of the solution (V): 500 mL
- Molar concentration of the solution (M): 0.8 M = 0.8 mol/L
Step 2: Convert "V" to L
We will use the conversion factor 1 L = 1000 mL.
500 mL × 1 L/1000 mL = 0.500 L
Step 3: Calculate the moles of KBr (solute)
The molarity is the quotient between the moles of solute (n) and the liters of solution.
M = n/V
n = M × V
n = 0.8 mol/L × 0.500 L = 0.4 mol
Answer:
<em>A process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in</em> <u><em>physical form or a nuclear reaction.</em></u>
Explanation:
A process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in <u><em>physical form or a nuclear reaction.</em></u>
Testable, that is always required for a hypothesis. Otherwise, how can you prove it?
What are you solving for?
C
H
I
R
