Chemistry · Laboratory Techniques
What is the correct way to prepare 100 mL of ~ 1.0 M hydrochloric acid (HCl) solution from a concentrated (~ 12 M) HCl stock solution?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Add 91.7 mL of distilled water directly to 8.3 mL of concentrated HCl.
- 2Add 8.3 mL of concentrated HCl to ~ 50 mL of distilled water, stir, and make up the volume to 100 mL with distilled water.✓
- 3Add 8.3 mL of concentrated HCl to 100 mL of distilled water.
- 4Weigh 36.5 g of HCl and dissolve it in 100 mL of distilled water.
Correct answer
Add 8.3 mL of concentrated HCl to ~ 50 mL of distilled water, stir, and make up the volume to 100 mL with distilled water.
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