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bonufazy [111]
3 years ago
12

How many molecules is 2.03 moles of Al(SO4)3?​

Chemistry
1 answer:
Elena L [17]3 years ago
4 0
2.03 molecules times 6.022E23 = 1.22E24
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(2) The electron configuration of nitrogen is 1s22s²2p3​
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Answer:

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5 0
3 years ago
In a particular electroplating process, the metal being plated has a +4 charge. If 861.8 C of charge pass through the cell, how
Xelga [282]

Answer: 2.2326\times 10^{-3} moles

Explanation:

We are given:

Moles of electron = 1 mole

According to mole concept:

1 mole of an atom contains 6.022\times 10^{23} number of particles.

We know that:

Charge on 1 electron = 1.6\times 10^{-19}C

Charge on 1 mole of electrons = 1.6\times 10^{-19}\times 6.022\times 10^{23}=96500C

The metal being plated has a +4 charge, thus the equation will be:

M^{4+}+4e^-\rightarrow M

4\times 96500C of electricity deposits = 1 mole of metal

Thus 861.8 C of electricity deposits =\frac{1}{4\times 96500}\times 861.8=2.2326\times 10^{-3} moles of metal

Thus 2.2326\times 10^{-3} moles of metal should be plated

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3 years ago
Increasing temperature can increae the number of protons true or false
Lapatulllka [165]
False it just makes them move faster
6 0
3 years ago
What is the symbol of gold ​
Soloha48 [4]

Explanation:

Tha Symbol of gold is Au.

4 0
3 years ago
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The boiling point of a substance in City A is found to be 145 degrees celcius. The boiling point of the same substance in City B
leva [86]
City B is at a higher temperature because as you go higher in altitude the boiling point of water becomes lower.
5 0
4 years ago
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