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3 years ago

How many valence electrons are in the element copernicium? Will GIVE BRainLYEsT!!!!!

Chemistry

2 answers:

kirill [66]3 years ago

7 0

7s ^2 it will have 2 valence electrons

Ivahew [28]3 years ago

3 0

As it is located at 7s ^2 it will have 2 valence electrons that due to its position in the s orbital it will be prone to losing them to obtain a noble gas configuration.

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What is the molarity of a solution that is made by mixing 35.5 g of Ba(OH)2 in 325 ml of solution?

choli [55]

Answer:

$M=0.638M$

Explanation:

Hello!

In this case, since the molarity of a solution is calculated by diving the moles of solute by the volume of solution in liters, we first compute the moles of barium hydroxide in 35.5 g as shown below:

$n=35.5g Ba(OH)_2*\frac{1molBa(OH)_2}{171.34gBa(OH)_2}\\\\n=0.207mol$

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