Question

an important formula from chemistry is ( pv = nrt ). solve the formula for ( n ).
( n=\frac{tpv}{r} )
( n=\frac{pv}{rt} )
( n=\frac{rpv}{t} )
( n=\frac{rt}{pv} )

Explanation:

Step1: Isolate \(n\)

Given \(PV = nRT\), divide both sides by \(RT\) to solve for \(n\).
$$\frac{PV}{RT}=\frac{nRT}{RT}$$

Step2: Simplify

Simplify the right - hand side of the equation. Since \(\frac{RT}{RT} = 1\), we get \(n=\frac{PV}{RT}\)

Answer:

\(n=\frac{PV}{RT}\), so the second option \(n = \frac{PV}{RT}\) is correct.