A B and C are all chemical changes. paper tearing is not.
Kinda confused what worksheet your on
Answer:
<h2>225 g</h2>
Explanation:
The mass of a substance when given the density and volume can be found by using the formula
mass = Density × volume
From the question we have
mass = 0.9 × 250
We have the final answer as
<h3>225 g</h3>
Hope this helps you
Answer:
the answer is the 2nd option . it has 3 structural isomers
