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jolli1 [7]
3 years ago
9

What is the mass, in grams, of 1.33 mol of water, H2O?

Chemistry
1 answer:
Len [333]3 years ago
8 0

Answer:

24.0g H2O

Explanation:

1.33 mol (18.016g/1 mol) = 24.0g H2O

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13. Would you expect oxygen to form a cation or anion? How many electrons would it gain or lose? Why?
netineya [11]

Answer: C)Anion, it would gain 2 electrons to satisfy the octet rule.

Explanation:

Electronic configuration represents the total number of electrons that a neutral element contains. We add all the superscripts to know the number of electrons in an atom.

The electrons are filled according to Afbau's rule in order of increasing energies and thus the electronic configuration of oxygen with 8 electrons is

O:8:1s^22s^22p^4

The cation is formed by loss of electrons and anions are formed by gain of electrons.  

In order to complete its octet and get stable, it gains 2 electrons and thus would form an anion.

O^{2-}:10:1s^22s^22p^6

7 0
3 years ago
(1.8 x 10-2) ÷ (9 x 102)
andre [41]
.3333333 as a repeating decimal
8 0
2 years ago
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What type of bond is present in a copper wire
Andreas93 [3]

Answer:

the correct answer is Metallic bonding

Explanation:

hope this helps

have a awesome day

8 0
2 years ago
Plastic is used to cover the copper wire in the power codes of appliances because plastic differs from copper in _________. 1. D
klio [65]

Answer:

Bro, its so obvious. Its electrical conductivity.

Explanation:

4 0
3 years ago
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What element has 80 protons, 81 neutrons, 79 electrons?
Mariana [72]

Answer:

The element will be ^{161}_{80}X

Explanation:

Given that,

Number of proton = 80

Number of neutron = 81

Number of electron = 79

We know that,

The atomic number is equal to the number of proton.

So, the atomic number is 80.

According to atomic number,

The element will be mercury.

We need to calculate the atomic mass

Using formula of atomic mass

atomic\ mass=atomic\ number+number\ of\ neutron

Put the value into the formula

atomic\ mass=80+81

atomic\ mass=161

We need to find the element

Using atomic mass and atomic number

atomic\ mass\ number A=161

atomic\ number Z=80

So, the element will be

^{A}_{Z}X

Put the value of A and Z

Hence, The element will be ^{161}_{80}X

5 0
3 years ago
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