Answer:
The answer to your question is 4 M
Explanation:
Data
NaCl 2 moles
Volume = 0.5 l
Molarity = M
Process
1.- Write the formula of Molarity

2.- Substitution

3.- Simplification and result
Molarity = 4 M
Seven electrons. The atomic number of a element is also the amount of protons and electrons it has.
Check the attachment out.. I think thats what you looking for. I hope it helped. :)
Answer:
Fire is something that's red and sorta orange is hot and can burn you but fire can be good and bad at some points for example fire can be used as a campfire,fireplace at home,and lighting candles. Fire is also very dangerous tho ,you can burn yourself if your not careful it can light your house on fire and that wouldn't be very safe. In simple words i would say fire is something that can have advantages and disadvantages.
Ahhh hope thats alright im on online classes but i wanted to help!!
The answer is B. a flashlight uses a battery to operate.
The battery represents the chemical energy. This is converted into electricity, which is converted into light energy.