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Dovator [93]
3 years ago
10

Answer =

Chemistry
1 answer:
Anna [14]3 years ago
6 0

Answer:

37.83 moles

Explanation:

moles = grams / formula weight = 454 grams / 12g/mol = 37.83 moles

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Basile [38]

Answer:

2nd option

Explanation:

5 0
3 years ago
Write a CER to explain what happened to this styrofoam head. The pics are of the head above water, at a depth of 1000m underwate
statuscvo [17]

Answer:

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Explanation:

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4 0
3 years ago
To measure the amount of nickel in some industrial waste fluid, an analytical chemist adds sodium hydroxide solution to a sample
Cloud [144]

Answer:

The final balanced equation is

Ni2+ + 2NaOH --> Ni (OH)2 + 2Na+

Explanation:

It is given that sodium hydroxide is added to collect the solid nickel(II) hydroxide product

The empirical equation for this statement is

Ni2+ + NaOH --> Ni (OH)2 + Na+

We will first balance the hydroxide molecule. On the right side there are two OH molecules.

Thus, on the left side we will take 2 sodium hydroxide

Ni2+ + 2NaOH --> Ni (OH)2 + Na+

Now we will balance the sodium ion which are 2 in numbers on the left side and 1 on the right side

Ni2+ + 2NaOH --> Ni (OH)2 + 2Na+

So, the final balanced equation is

Ni2+ + 2NaOH --> Ni (OH)2 + 2Na+

8 0
3 years ago
The molar madd of Ca(OH)2
Nonamiya [84]
What you have to do is find a periodic table and add the mass of each atom that the compound is made of.

Ca= 40.1
O= 16.0
H= 1.01

keep in mind that you have to also account for how many atoms of each there are in the molecule. for example, in Ca(OH)2, there are one Ca, two O and two H

so the molar mass of Ca(OH)2= 40.1 + (2 x 16.0) + (2 x 1.01)= 74.12 g/mol
8 0
3 years ago
Based on the collision theory, which factors are likely to increase the rate of reaction? Select all that apply.
Alexus [3.1K]

Answer:

Option a

Explanation:

can u mark brainliest?

7 0
2 years ago
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