3 years ago

Describe the general characteristics of metals.

1 answer:

4 0

a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity

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3 years ago

If 45.0 mL of a 0.0500 M HNO3, 10.0 mL of a 0.0500 M KSCN, and 30.0 mL of a 0.0500 M Fe(NO3)3 are combined, what is the initial

jeka94

Answer:

the initial concentration of SCN- in the mixture is 0.00588 M

Explanation:

The computation of the initial concentration of the SCN^- in the mixture is as follows:

As we know that

$KSCN \rightarrow K^ + SCN^-$

As it is mentioned in the question that KSCN is present 10 mL of 0.05 M

So, the total milimoles of SCN^- is

= 10 × 0.05

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The total volume in mixture is

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Now the initial concentration of the SCN^- is

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hence, the initial concentration of SCN- in the mixture is 0.00588 M

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