Help with a question about Osmosis

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Discussion Overview

The discussion revolves around a homework question regarding the effects of road salt on grass, specifically exploring the mechanism of osmosis and how salt concentration affects water availability to the grass. Participants are examining the relationship between salt concentration in the soil and the health of grass.

Discussion Character

  • Homework-related
  • Conceptual clarification

Main Points Raised

  • One participant suggests that the salt deprives the grass of water, leading to its wilting and death.
  • Another participant agrees but indicates that there may be additional factors involved, requesting more details on the thought process.
  • A further contribution explains that if the soil is hypertonic due to salt, water will leave the grass cells, contributing to their decline.
  • A participant references a previous discussion on the same topic, suggesting that this is a recurring question.

Areas of Agreement / Disagreement

Participants generally agree that salt affects the grass's ability to retain water, but the discussion remains unresolved regarding the full explanation of the underlying mechanisms.

Contextual Notes

The discussion lacks detailed definitions of hypertonic conditions and does not fully explore the implications of salt concentration on cellular processes.

extraordinarygirl
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I'm having a difficult time with a question in my homework and I was just wondering if anyone would help me out.
The question is:
Road salt that has been accidentally spilled on grass often kills grass. Explain why this happens?

I think it is because the salt deprives the grass of getting water, so it shrivels up and dies. Does anyone know if I am on the right track? I would love to hear another imput.
 
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You are on the right track but there might be more to it. So, if you gave us a more details explanation of your thought process we might be able to help you more.
 
Okay, if the grass' soil contains salt, it would be hypertonic, so the cells will kill the grass and the water around it has a higher concentration of salt, so the water will leave the cell?
 
Thanks for your help:)
 

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