Given the following reaction: 2 NaOH + H2SO4 à 2 H2O + Na2SO4

a. How many moles of NaOH are needed to react completely with 37 mols of H2SO4?

b. What is the mass of Na2SO4 that will be produced from the one mole of H2SO4?

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explanation:

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be

the dissociation of nickel hydroxide is follows:

the concentration of hydroxide ion is

the equilibrium constant value of nickel hydroxide is = 6.1 * 10^-^1^6 and thus equilibrium equation can be written as:

thus, concentration of ni is 0.23 * 10^-^4 mol /l