Changes in the price level affect which components of aggregate demand? a. only consumption and investment b. only consumption and net exports c. only investment d. consumption, investment, and net exports

The correct option is D.
Aggregate demand refers to the total demand for goods and services within a particular market. The components of aggregate demand include: consumption, investment, government spending and net export. Changes in the price level affect consumption, investment and net export.

2KMnO₄ + 16HCl = 2KCl + 2MnCl₂ + 8H₂O + 5Cl₂

KMnO₄:Ксl = 2:2 = 1:1
Нсl:H₂O = 16:8 = 2:1
KMnO₄:Cl₂ = 2:5
Нсl:MnCl₂ = 16:2 = 8:1