The better era tbh.......
Answer:
Anything that shares electrons.
Explanation: This means they don't transfer electrons.
When we convert the given mass in grams and volume in liters to m/v percent, we recall that m/v percent is expressed as grams/100 milliliters. In this case the expression becomes (50 grams/ 2500 L)*(0.1L/100ml), that is equal to 0.002 grams/ 100 mL. Hence the the concentration is equal to 0.2 m/v percent.
B because once the circuit is burned the lights will all go of
between two oppositely charged ions