Answer:
everyone would die
Explanation:
if we did not know about it we would not do anything about it
Water is H2O but I'm not sure about solids.
Answer:
B
Explanation:
B is the best showing of a chemical reaction out of the choices
Rotting vegetables is a chemical change I think.
We determine the percent by mass of water in the compound by dividing the mass of water by the total mass. The total mass of Na2SO4.10H2O is equal to 322 g. The mass of water is 180 g.
percent by mass of water = (180 / 322)*(100 %) = 55.9%
