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Nastasia [14]
3 years ago
14

All gases diffuse rapidly but different rates. For example Carbon dioxide diffuses slower than oxygen gas and hydrogen gas. The

rate of diffusion of each gas is dependent on its
A) bond type
B) solubility
C) molecular mass
D) electronegativity
Chemistry
2 answers:
Mumz [18]3 years ago
7 0
The answer is c your welcome
REY [17]3 years ago
7 0
Gas is a state of matter is always in motion. It has no fixed shape but will take the shape of the space provided. Gas also doesn't have a fixed volume but will fill the space available. The movement of the gas depends on the molecular mass. Diffusion is movement of molecules across its concentration gradient. Carbon dioxide molecular mass is higher than oxygen and hydrogen so that is why it diffuses slower. 
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<u>Answer:</u> The molar mass of unknown triprotic acid is 97.66 g/mol

<u>Explanation:</u>

To calculate the molarity of acid, we use the equation given by neutralization reaction:

n_1M_1V_1=n_2M_2V_2

where,

n_1,M_1\text{ and }V_1 are the n-factor, molarity and volume of triprotic acid

n_2,M_2\text{ and }V_2 are the n-factor, molarity and volume of base which is NaOH.

We are given:

n_1=3\\M_1=?M\\V_1=250mL\\n_2=1\\M_2=0.0600M\\V_2=95.9mL

Putting values in above equation, we get:

3\times M_1\times 250=1\times 0.0600\times 95.9\\\\M_1=0.0077M

To calculate the molecular mass of solute, we use the equation used to calculate the molarity of solution:

\text{Molarity of the solution}=\frac{\text{Mass of solute}\times 1000}{\text{Molar mass of solute}\times \text{Volume of solution (in mL)}}

We are given:

Molarity of solution = 0.0077 M

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Volume of solution = 250 mL

Putting values in above equation, we get:

0.0077M=\frac{0.188\times 1000}{\text{Molar mass of triprotic acid}\times 250}\\\\\text{Molar mass of triprotic acid}=97.66g/mol

Hence, the molar mass of unknown triprotic acid is 97.66 g/mol

7 0
3 years ago
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