A 200.0 g sample of pure MgCl₂ contains: A)95.211 formula units MgCl₂ B)2.101 formula units MgCl₂ C)1.265 × 10²⁴ formula units MgCl₂ D)1.204 × 10²⁶ formula units MgCl₂ E)5.734 × 10²⁵ formula units MgCl₂

Question

Quizplus · Accepted Answer

To find the number of formula units, first calculate the moles of MgCl2 using its molar mass (95.211 g/mol). Then multiply by Avogadro's number (6.022 × 10^23 formula units/mol). This gives approximately 1.265 × 10^24 formula units.

A 200.0 G Sample of Pure MgCl2 Contains

A 200.0 G Sample of Pure MgCl₂ Contains