How many grams of agno3 are needed to prepare a 0.25 m solution in 500 grams of water? question options: 125 g 0.125g 21.25 g 170g

All the elements are arranged by melting points on the periodic table. in row they go from metals to gasses. in the row from sodium to argon, sodium is more reactive than the one on its right, magnesium.

Of course: ) what’s your name ?

Answer(2) electrons;