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Zolol [24]
3 years ago
6

Assuming an efficiency of 49.70%, calculate the actual yield of magnesium nitrate formed from 139.0 g of magnesium and excess co

pper(II) nitrate. Mg+Cu(NO3)2⟶Mg(NO3)2+Cu
Chemistry
1 answer:
liberstina [14]3 years ago
8 0

Answer:

221.5 g

Explanation:

if you want a step by step problem feel free to ask

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Discuss on the law of corresponding states​
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3 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
Fudgin [204]

Answer : The expected coordination number of NaBr is, 6.

Explanation :

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.

Now we have to determine the radius ration for NaBr.

Given:

Radius of cation, Na^+ = 102 pm

Radius of cation, Br^- = 196 pm

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

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The relation between radius ratio and coordination number are shown below.

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