Answer : The percent by mass of the solution is 7.81 %
Explanation : Given,
Mass of NaCl = 8.75 g
Mass of solution = 112.0 g
Now we have to determine the percent by mass of the solution.
Putting values in above equation, we get:
Therefore, the percent by mass of the solution is 7.81 %
At temperature, a sample of neon gas will occupy
volume.
Further Explanation:
The given problem is based on the concept of Charles’ law. Charles’ law states that “at constant pressure and fixed mass the volume occupied an ideal gas is directly proportional to the Kelvin temperature.”
Mathematically the law can be expressed as,
Or,
Here, <em>V</em> is the volume of the gas, <em>T</em> is Kelvin temperature, and <em>k</em> is proportionality constant.
Given information:
The initial volume of neon gas is .
The final volume of neon gas is .
The initial temperature value is .
To calculate:
The final temperature
Given Condition:
Solution:
Step 1: Modify the mathematical expression for Charles’ law for two different temperature and volume values as follows:
Here,
Step 2: Rearrange equation (2) for .
…… (2)
Step 3: Convert the given temperature from degree Celsius to Kelvin.
The conversion factor to convert degree Celsius to Kelvin is,
…… (3)
Substitute for
in equation (3) to convert temperature from degree Celsius to Kelvin.
Step 4: Substitute for
,
for
and
for
in equation (2) and calculate the value of
.
Important note:
Learn More:
1. Gas laws brainly.com/question/1403211
2. Application of Charles’ law brainly.com/question/7434588
Answer details:
Grade: Senior School
Subject: Chemistry
Chapter: States of matter
Keywords: neon, volume, occupies, temperature, Kelvin, degree Celsius, Charle’s law, constant pressure, fixed mass, 40.81 m^3 , 50.00 m^3 , 23.5 degree C , celsius , 363 K , sates of matter, initial volume, final volume, initial temperature, final temperature, V1 , V2 , T1 , T2 .
