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mel-nik [20]
3 years ago
15

If you were to take several random samples from a pure substance the samples

Chemistry
2 answers:
faltersainse [42]3 years ago
6 0

Answer:

If you were to take several random samples from a pure substance the samples would be identical.

Explanation:

A pure substance is homogeneous (that means its composition and properties are the same in every part of the substance), therefore the samples would be identical.

Nataliya [291]3 years ago
3 0
Would all have the same ratio of elements.
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Calculate the volume in milliliters of a 0.420mol / L barlum chlorate solution that contains 25.0 g of barium chlorate (Ba(ClO 3
Pachacha [2.7K]

<u>Answer:</u> The volume of barium chlorate is 195.65 mL

<u>Explanation:</u>

To calculate the volume of solution, we use the equation used to calculate the molarity of solution:

\text{Molarity of the solution}=\frac{\text{Mass of solute}\times 1000}{\text{Molar mass of solute}\times \text{Volume of solution (in mL)}}

Given mass of barium chlorate = 25.0 g

Molar mass of barium chlorate = 304.23 g/mol

Molarity of solution = 0.420 mol/L

Volume of solution = ?

Putting values in above equation, we get:

0.420mol/L=\frac{25.0\times 1000}{304.23\times V}\\\\V=\frac{25.0\times 1000}{304.23\times 0.420}=195.65mL

Hence, the volume of barium chlorate is 195.65 mL

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3 years ago
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In the reaction below how would adding more of product C affect the equilibrium of the system? A+B arrows both ways C+D
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Answer:

1. The reaction will proceed backward, shifting the equilibrium position to the left.

2. The reaction will proceed forward, shifting the equilibrium position to the right.

3. Either add more of the products ( H2O or Cl2) or remove the reactant (HCl or O2)

Explanation:

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