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seraphim [82]
3 years ago
10

Sodium has the atomic number 11. How many electrons are in a sodium ion, which has the symbol Na=?

Chemistry
1 answer:
Snezhnost [94]3 years ago
5 0
I believe the answer you're looking for is 10
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How many copper atoms are in 70g of copper
Elanso [62]

Answer:

n = 6.634\times 10^{23}\,atoms

Explanation:

The total amount of atoms is found by multiplying Avogradro's Number and the number of moles:

n = \left(6.022\times 10^{23}\,\frac{atoms}{mol} \right)\cdot \left(\frac{70\,g}{63.546\,\frac{g}{mol} } \right)

n = 6.634\times 10^{23}\,atoms

4 0
3 years ago
Is BH2F a gas or a liquid and what is the boiling point
hram777 [196]
Hey I tried but could not find your answer, but maybe you could try to calculate the average of bpts of the different elements in the compound to find the boiling point. And when you know the bpt, you can find out whether it is a liquid or gas. But after searching a lot, I found it was a solid. Good luck!
7 0
3 years ago
Help me out on this please !!
Tanya [424]

Answer:

hiiiiiiiiiiiiiiiiiiiiiiiiii

6 0
2 years ago
True or False: A food chain is the feeding relationships among all the organisms in an
ad-work [718]

<u>Answer:</u>

False.

<u>Explanation:</u>

A food web is the feeding relationships among all the organisms in an

ecosystem.

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4 0
2 years ago
Read 2 more answers
Using phenol, dimethyl sulfate, and naoh, show how you would synthesize methyl phenyl ether.
Jlenok [28]
The synthesis of Methyl Phenyl Ether is shown below,

The synthesis takes place in two steps,

Step 1: Formation of Sodium Phenoxide:
                                                                Phenol being more acidic than Alcohols with pKa ≈ 10 can loose its proton attached to oxygen atom, as the resulting phenoxide ion is stabilized by resonance. Therefore, when phenol is treated with NaOH (bBase) it looses proton and forms Sodium Phenoxide.

Step 2: Formation of Methyl Phenyl Ether:
                                                                  The Phenoxide ion formed in first step when treated with Dimethyl Sulfate produces Methyl Phenyl Ether through a Williamson's Ether synthesis Reaction. Dimethyl sulfate is a well known alkylating agent when treated with phenols, thiols and amines. Dimethyl sulfate readily transfers the methyl group and forms NaSO₄CH₃.

The reaction is as follow,

7 0
3 years ago
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