- #1
tandoorichicken
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Out of 0.1 M HCl and 0.1 M NaOH, which one is potentially more hazardous to your eyes?
Lab Safety: Comparing 0.1 M HCl and NaOH Eye Hazards
- Thread starter tandoorichicken
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Discussion Overview
The discussion centers on the eye hazards associated with 0.1 M hydrochloric acid (HCl) and 0.1 M sodium hydroxide (NaOH), exploring their potential dangers in a laboratory setting. Participants examine the corrosive properties and immediate effects of these substances on eye safety.
Discussion Character
- Debate/contested
Main Points Raised
- One participant questions the intent behind spilling solutions into eyes, highlighting the irritative nature of HCl and the need for proper ventilation.
- Another participant notes that while NaOH is more corrosive to skin, it has a lower vapor pressure compared to HCl.
- Several participants express that both substances are toxic and emphasize the importance of handwashing after potential spills.
- One participant argues that NaOH is more hazardous because it causes delayed pain, leading to potentially greater damage before the victim realizes the injury.
- Another participant supports this view by stating that NaOH is more effective at dissolving the cornea and is harder to wash out of the eye compared to HCl.
Areas of Agreement / Disagreement
Participants generally agree that both substances are hazardous, but there is disagreement on which is more dangerous to the eyes, with some asserting that NaOH poses a greater risk due to its delayed effects.
Contextual Notes
Participants do not provide specific quantitative comparisons of the hazards, and the discussion lacks detailed definitions of terms like "corrosive" and "toxic." There is also no consensus on the relative risk of eye damage from each substance.
- #2
dextercioby
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Are u planning to spill solutions into (one's/your) eyes...?
Chlorhydric acid (especially gaseous one,which results in various rections) is very irritating (like ammonia),so it should be handled with care,and the room be fully ventilated.
Daniel.
Chlorhydric acid (especially gaseous one,which results in various rections) is very irritating (like ammonia),so it should be handled with care,and the room be fully ventilated.Daniel.
- #3
Gokul43201
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NaOH is more corrosive to skin, but has a lower vapor pressure.
- #4
dextercioby
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They're both very toxic,so pay attention with washing your hands,in the unfortunate case of spilling...
Daniel.
Daniel.
- #5
chemisttree
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By far the NaOH is more hazardous. If you get the acid in your eye you will know it immediately. Not so with the NaOH. It won't start hurting until way too much damage has been done!
- #6
lightarrow
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Yes, NaOH is worse also because it dissolves cornea better and it's less fast to eliminate from the eye rinsing with water.
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