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Alexus [3.1K]
2 years ago
12

What would be the formula for an alkane which contains 30 hydrogen atoms? C__H30

Chemistry
2 answers:
dezoksy [38]2 years ago
7 0

Answer:

The answer is C14H30

Explanation:

I checked the answer through odyssey ware test.

maxonik [38]2 years ago
5 0
C14H30 because of the formula for alkanes:
CnC2n+2
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Calculate the concentration of acetate ion in a buffer solution made from 2.00 mL of 0.50 M acetic acid and 8.00 mL of 0.50 sodi
Lelu [443]

Answer:

1 M

Explanation:

Equation of reaction is;

CH3COOH + CH3COONa -------------------> 2CH3COO^- + NaH

1 moles of each of the reactants react to give 2 moles of the acetate ion.

From the question, we have that 2.00 mL that is (2÷1000)L of 0.50 M acetic acid reacted with 8.00 mL that is (8/1000)L of 0.50 sodium acetate.

Then from equation, n = CV -------------------------------------------(1).

Where n= number of moles, V= volume, C= concentration.

Number of moles,n of acetic acid = 0.50M× 2/1000L.

n(acetic acid)= 0.001 moles.

Number of moles,n of sodium acetate= 0.50M ×(8/1000)L.

n(sodium acetate)= 0.004 moles.

0.001 moles of acetic acid react with 0.004 moles of Sodium acetate

Therefore, acetic acid is the limiting reagent.

One mole of acetic acid produces 2 moles of acetate ion.

0.001 mole of acetic acid produces= 0.002 moles of acetate ion.

Using the equation (1) that is, n= CV.

0.002= C× 2/1000

C= 0.002/0.002

C= 1 M

8 0
3 years ago
Help ASAP If you know what to do comment if u don’t I’ll report you ! Points added
mylen [45]

Proton:

Positive

Found in Nucleus

Mass of 1 AMU

Neutron:

Neutral

Found in Nucleus

Mass of 1 AMU

 

Electron:

Negative

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Mass of 0 AMU

5 0
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Which of the following is the poorest conductor electricity
mojhsa [17]

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The mass of Carbon is 12 g/mol and the mass of oxygen is 16 g/mol. What is the approximate percent composition by mass of CO2 (f
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the last one

27% by 73%

Explanation:

12/44*100 for C

and

16/44*100 for O

5 0
2 years ago
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