The mas %(m/m) concentration of the solution is calculated using the below formula
mass of the solute/mass of the solvent x100
mass of the solute = 500g
mass of the solvent = 2.50kg in grams= 2.50 x1000 = 2500 g
%(M/M)= 500 g/2500g x100= 20% (m/M)
Because Arsenic is in group 15 it will receive 5 valence electrons Start out by adding one dot around the symbol for Arsenic. You'll end up with 4 around it and <span>all you have to do is add another one.</span>
Answer:
The last answer would be correct because if you have ever done it before you would know that rubbing your feet (just like the rubbing of ice crystals) on the carpet will create the energy you need, then once you touch the metal it creates that spark!
Explanation:
hoped that helped-I would be thankful for brainliest ;)
C)4CO2(g) +2H2O(g)
<span>is the choice which shows complete combustion</span>