80.4k views
11 votes
Find the mass of 3.66 moles of Octane C,H,8

User Recursive
by
5.4k points

1 Answer

3 votes

Answer:

417.2g

Step-by-step explanation:

Given parameters:

Number of moles of octane = 3.66moles

Unknown:

Mass of octane = ?

Solution:

To solve this problem;

Octane = C₈ H₁₈

Mass of octane = number of moles x molar mass

Molar mass of octane = 8(12) + 18(1) = 114g/mol

Mass of octane = 3.66 x 114 = 417.2g