What usually happens to the rate of reaction when the concentration of one of the reactants is increased
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Ответ:
The rate of the reaction increases because more collisions can occur.
Ответ:
of sodium carbonate must be added to neutralize of sulfuric acid solution.
Further Explanation:
Stoichiometry:
Theamountof species present in the reaction is determined with the help of stoichiometryby the relationship between reactants and products. It is used to determine the moles of a chemical species when moles of other chemical species present in the reaction is given.
Balanced chemical reaction between sodium carbonate and sulphuric acid is as follows:
According to stoichiometry of reaction, one mole of reacts with one mole of to produce one mole of , one mole of and one mole of . So stoichiometric ratio between and is 1:1.
The formula to calculate number of moles of is as follows:
…… (1)
Substitute for mass of and 98.079 g/mol for molar mass of in equation (1).
Since one mole of reacts with one mole of , 20493.7 moles of reacts with 20493.7 moles of .
The formula to calculate mass of is as follows:
…… (2)
Substitute 20493.7 mol for moles of and 105.9888 g/mol for molar mass of in equation (2).
Learn more:
Calculate the moles of chlorine in 8 moles of carbon tetrachloride: link Calculate the moles of ions in the solution: linkAnswer details:
Grade: Senior School
Subject: Chemistry
Chapter: Mole concept
Keywords: stoichiometry, Na2CO3, H2SO4, Na2SO4, CO2, H2O, balanced chemical reaction, 1:1, one mole, stoichiometric ratio, 2172.1 kg.