ACT Science Practice Question #1503 (Medium (30)) | Test Citadel
TC
Test Citadel
ACT Science Difficulty: Medium (30)

Digital ACT Science Practice Question #1503

Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.

A chemistry lab added calcium chloride (CaCl2) to 1.0 kg of water and measured freezing points: - 0.0 mol CaCl2: 0.00°C - 0.5 mol CaCl2: -2.79°C - 1.0 mol CaCl2: -5.58°C - 1.5 mol CaCl2: -8.37°C For each additional 0.5 mol of CaCl2 added, the freezing point decreases by approximately:
Select Your Answer:
Socratic AI Engine Step-by-Step Derivation
0ms Precomputed
⚡ 15-Second Desmos Speed Hack

Common difference = 2.79°C per 0.5 mol.

Masterclass Solution & Distractor Trap Analysis

From 0 to 0.5 mol: 2.79°C drop. From 0.5 to 1.0 mol: 5.58 - 2.79 = 2.79°C drop. From 1.0 to 1.5 mol: 8.37 - 5.58 = 2.79°C drop....

Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...

🔒 Citadel Pro Scholar Vault

Unlock Full Solution & 2,600+ Official Drills

Access detailed Socratic steps, trap breakdowns, authentic timed module simulations, and Desmos speed hacks for just $9.99/mo.

Socratic Assistant

Targeted hints without disclosing final solutions.

I am your Socratic tutor. Click one of the quick guidance buttons above or ask a specific question below about a formula or method.