Answer:
72.6% Error
Explanation:
% error = 
58.44 is the weight of NaCl
The given question is based on the concept of conversion factor
1 KL = 10³ L, 1cL = 10⁻³ L, 1dL = 10⁻² L, 1 nL = 10⁻⁹ L
<h3>What is Conversion factor ?</h3>
A conversion factor is an expression for the relationship between units that is used to change the units of a measured quantity without changing the value.
A conversion ratio (or unit factor) always equals one (1), where the numerator and the denominator have the same value expressed in different units.
Hence, The complete filled table is given as follows ;
1 KL = 10³ L,
1cL = 10⁻³ L,
1dL = 10⁻² L,
1 nL = 10⁻⁹ L
Where,
- KL is Kilolitre
- cL is centilitre
- dL is decilitre
- nL is nanolitre
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Actually, to examine it physically, then you could use a physical property that shows it's appearance. To examine its bonds etc, you'd need a chemical property. So, False.
at 70°C = 130 gram
NaCl at 100°C= 40 gram
NH₂Cl at 90°C= 70 gram
<h3>What is solubility?</h3>
Solubility is defined as the maximum amount of a substance that will dissolve in a given amount of solvent at a specified temperature.
Amount of a substance (called the solute) that dissolves in a unit volume of a liquid substance (called the solvent) to form a saturated solution under specified conditions of temperature and pressure. Solubility is expressed usually as moles of solute per 100 grams of solvent.
Hence,
at 70°C = 130 gram
NaCl at 100°C= 40 gram
NH₂Cl at 90°C= 70 gram
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Answer:
P(O₂) = 26KPa
Explanation:
Given data:
Total pressure = 150 KPa
Partial pressure of nitrogen = 100 KPa
Partial pressure of carbon dioxide = 24 KPa
Partial pressure of oxygen = ?
Solution:
According to Dalton law of partial pressure,
The total pressure inside container is equal to the sum of partial pressures of individual gases present in container.
Mathematical expression:
P(total) = P₁ + P₂ + P₃+ ............+Pₙ
Now we will solve this problem by using this law.
P (total) = P(O₂) + P(N₂) + P(CO₂)
150 KPa = P(O₂) + 100 KPa + 24 KPa
150 KPa = P(O₂) + 124 KPa
P(O₂) = 150 KPa - 124 KPa
P(O₂) = 26KPa
