When testing a pure substance for its properties, some of the test result in the sample of being changed into another substance.
1 answer:
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Answer:
Explanation:
According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.
The balanced chemical equation for combustion of propane will be :
Answer:
<h2>9.46 g/mL</h2>Explanation:
The density of a substance can be found by using the formula
From the question
mass = 1892.6 g
volume = 200 mL
We have
We have the final answer as
<h3>9.46 g/mL</h3>Hope this helps you