FeCl₂ + 2NH₄OH → Fe(OH)₂ + 2NH₄Cl
answer : D= m/v
Explanation:
all about density and mass and size of the molecules in a liquid and how close they are packed together
Answer:
is a well-sustantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment.such fact- supported theories are not "guesses" but reliable accounts of the real worlds.
(P1V1/T1)=(P2V2/T2)
I just took the test and this should be correct