3 years ago

A balance is best used to measure a sample's. which one is the right choice?

Chemistry

2 answers:

Andrews [41]3 years ago

7 0

Mass is the correct answer

jekas [21]3 years ago

5 0

C)mass is the correct answer

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LAW OF CONSERVATION OF MASS<br> What is Li2SO3 + BF3 -> B2(SO3)3 + LiF

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Answer:

The given reaction does not follow law of conservation of mass .

The Balanced reaction which follow law of conservation of mass is :

$3Li_{2}SO_{3} + 2BF_{3}\rightarrow B_{2}(SO_{3})_{3} + 6LiF$

Explanation:

LAW OF CONSERVATION OF MASS : Mass can neither created nor destroyed in a chemical reaction.

So, total number of atoms present in reactant should be equal to total number of elements present in the product.

$3Li_{2}SO_{3} + 2BF_{3}\rightarrow B_{2}(SO_{3})_{3} + 6LiF$

Here ,

total number of atoms present in reactant = total number of elements present in the product.

Li = 6

B = 2

F = 6

S = 3

O = 9

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