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Change in concentration question (1 Viewer)

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bibi34

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If you add 200 mL of 0.05M NaOH solution to 500 mL of 0.05M NaOH solution. Will the concentration change and by how much?
 
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bibi34

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If you add 500 mL of 0.05M NaOH and 200 mL of 0.1M NaOH then how would you calculate concentration of resulting solution.
 
deswa1

deswa1

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(Moles of original + moles of added stuff)/Total volume (which will be 0.7L)
 
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