Concept explainers
Interpretation:
“The mass of ” should be calculated
Concept Introduction:
Here we have used the concept of ideal gases and its equation.
► Ideal gases are the gases which obeys the ideal gas equation under all conditions of temperature and pressure. The ideal gas equation can be obtained by combining the Boyle’s Law, Charles’s
► Boyle’s Law: It states that at constant temperature, the pressure has an inverse relation with volume
► Charles’s Law: It states that at constant pressure, the volume of the gas has direct relation with temperature
► Avogadro Law: It states that equal volumes of all gases under same conditions of temperature and pressure contains the same number of molecules
Volume of the gas Number of molecules
Moles of the gas
► Combining these three laws, we get the ideal gas equation
where,
is universal gas constant
is the volume
is the number of moles
is the pressure
is the temperature
► The relation between number of moles and mass of the gas is
Where is the mass of the gas
is molar mass of the gaseous compound
► Molar mass is the number of times a molecule of the substance is heavier than the mass of an atom of carbon .
► We have used the concept of stoichiometry where when reactants undergo a reaction, they form product in certain ratio based on the number of moles associated with the elements which participated in the reaction.
Thus, in stoichiometric calculation we come across chemical formula and chemical equation.
► A chemical equation directly states that the substance and the number of moles of each substance involved in the chemical reaction.
► Limiting reagent is the substance which gets consumed completely when the reaction is carried out.
Given:
Pressure of gas,
Temperature of gas,
Volume of
Mass of glucose =
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