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grandymaker [24]
3 years ago
13

Why is it necessary to add concentrated HCl, then water, rather than a solution of HCl to the eudiometer tube

Chemistry
1 answer:
Dmitry_Shevchenko [17]3 years ago
8 0
The reaction between concentrated acid and water can release a lot of heat. If a little water is added to a larger amount of acid, the heat can cause the small amount of water to boil very rapidly which then spatters some acid. ... It is recommended that acid should be added to water and not water to acid.
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2 years ago
Calculate the radius ratio for NaBr if the ionic radii of Na + and Br − are 102 pm and 196 pm , respectively. radius ratio: Base
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Cation-anion radius ratio : It is defined as the ratio of the ionic radius of the cation to the ionic radius of the anion in a cation-anion compound.

This is represented by,

\frac{r_{cation}}{r_{anion}}

When the radius ratio is greater than 0.155, then the compound will be stable.

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\frac{r_{cation}}{r_{anion}}=\frac{102}{196}=0.520

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