A compound Z is known to have a composition of 34.38% Ni, 28.13% C, and 37.48% O. In an experiment 1.00 L of gaseous Z is mixed with 1.00 L of argon, where each gas is at P = 2.00 atm and T = 25oC. When this mixture of gases is put in an effusion chamber, the ratio of Z molecules to Ar molecules in the effused mixture is 0.4837. Using these data, calculate the following.
a. The empirical formula for Z
b. The molar mass for Z
c. The molecular formula for Z
d. The mole ratio of Z to argon in a sample of gas obtained by five effusion steps (starting with the original mixture)

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