An experiment shows that a 110 mL gas sample has a mass of 0.173 g at a pressure of 746 mmHg and a temperature of 31 ∘C. What is the molar mass of the gas?

answer; protein;

confused

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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