Charles’ Law
V₁/T₁=V₂/T₂
78.5/318.15=V₂/273.15
V₂=67.4 ml
Answer:
A and B
Explanation:
Mass of solution=100g
mass of salt=20g
so; mass of solute=80g
percentage composition =(mass of salt/total
mass) ×100
= \frac{20}{100} \times 100 \\ = 20\%
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In the 1800s era
A heat energy of 645
