Too many to know in the world.
Statement D is the correct option as the solution will have pH of 3. It has an H3O+ ion concentration of 1 ×
mol/L and is acidic.
Explanation:
It is given in question that solution must have pH of 3. The value if being less than 7 shows that solution is acidic. The pH value of 3 indicates that given solution is highly acidic and has strong acid. Strong acid gets fully dissociated into 
ions.
pH of the solution is calculated as:
pH = -log10[
]
the concentration or molarity of the hydronium ion is given as moles/litre
concentration of hydronium ion in the solution is 1 X
moles/litre
putting the values in the equation:
pH = - log10( 1 X
)
pH = 3 (acidic)
Thus it can be concluded that D option is the right answer.
Answer:
Oxidized,Reduced,reductant,oxidant, NAD+,NADH
Explanation:
1 when a compound donates electrons the compound becomes oxidized.such a compound is referred to as electron donor.
2 when a compound accept electron the compound becomes reduced such a compound often referred to as electron acceptor.
3 In glycolysis once the carbon containing compound that functions as electron donor is reductant.
4 once the electron donor in glycolysis gives up its electron ,it is oxidized to a compound called oxidant.
5 NAD+ is the compound that function as electron acceptor in glycolysis.
6 The reduced form of electron acceptor in glycolysis is NADH.
Sound, light, kinetic, heat energy