(a) add curved arrows to show electron flow during the first phase of the reaction, when ser and his interact and the enzyme bin
1 answer:
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The mass of HCHO2 and NaCHO2 to be added to the buffer solution are 0.23g and 0.44g respectively
Data;
- Volume of solution = 260mL
- conc. of HCHO2 = 2.5*10^-2M
- conc. of NaCHO2 = 2.5*10^-2M
To calculate the mass of reagent added, let's start with HCHO2
The mass of HCHO2 to be added is the number of moles of HCHO2 multiplied by it's molar mass.
The mass of NaCHO2 to be added in the buffer solution is
The mass of HCHO2 and NaCHO2 to be added to the buffer solution are 0.23g and 0.44g respectively
Learn more about buffer solution here;
Answer : The correct options are, (C), (D) and (F)
Explanation :
Redox reaction : It is also know as an oxidation-reduction reaction in which the electrons transferred between the two species. In this, one species shows oxidation by losing electrons and another species shows reduction by gaining electrons.
Most of the chemical reactions shows the redox reaction. The chemical reactions like, synthesis, combustion, single replacement, decomposition shows the redox reaction.
As, the reactants of Option A, B and E does not shows redox reaction because in these reactions the metals will not displace the another metal ion due to less reactivity of metal.
While the reactants of option C, D and F shows redox reaction because in these reactions the metals will displace the another metal ion easily due to high reactivity of metal.
The reactivity series is shown below.
The balanced redox reactions will be,
Hence, the correct options are, (C), (D) and (F)
