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Equations:

1. v

2. PV = nRT

3.M = mN

I want to answer part a.

I am given T,P, and the density of gas molecules (d).

From equation 3. I want to solve for m.

m = dV = d(nRT/P)

m[N

From equation 1.

v

I get stuck at this part because I dont know the value of N.

1. v

_{rms}= √(3RT/M)2. PV = nRT

3.M = mN

_{A}I want to answer part a.

I am given T,P, and the density of gas molecules (d).

From equation 3. I want to solve for m.

m = dV = d(nRT/P)

m[N

_{A}] = M = d(nRT/P)[N_{A}] = dNRT/P; N = nN_{A}.From equation 1.

v

_{rms}= √(3RTP/(dNRT)) = √(3P/dN).I get stuck at this part because I dont know the value of N.