2) find the mass of 3.8 moles of nacl.

2) find the mass of 3.8 moles of nacl.
Answer
Explanation:
Step1: Find molar - mass of NaCl
The molar mass of Na (sodium) is approximately $22.99\ g/mol$, and the molar mass of Cl (chlorine) is approximately $35.45\ g/mol$. The molar mass of NaCl, $M = 22.99+35.45=58.44\ g/mol$.
Step2: Calculate the mass
We use the formula $m = n\times M$, where $n = 3.8\ mol$ (number of moles) and $M = 58.44\ g/mol$ (molar mass). So, $m=3.8\times58.44 = 222.072\ g$.
Answer:
$222.072\ g$