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Chemistry 15 Online
OpenStudy (anonymous):

I will give a metal if you help me

OpenStudy (anonymous):

its takes 26.7 seconds for 51.3 g NaCl to dissolve in 1 L of water. What is the rate of dissolution

OpenStudy (anonymous):

describe the rate constant if the reaction was in first-order in NaCl

OpenStudy (anonymous):

how would you make NaCl dissolve faster without increasing the temperature?

OpenStudy (anonymous):

@ganeshie8 can you help me

OpenStudy (anonymous):

@JoannaBlackwelder can you help me

OpenStudy (anonymous):

@Loser66 can you help me

OpenStudy (anonymous):

@Asad786 can you help me

OpenStudy (joannablackwelder):

I think rate of dissolution is M/s.Can you find the molarity?

OpenStudy (anonymous):

wouldn't I just convert 51.3 g to moles

OpenStudy (joannablackwelder):

And divide by volume in L

OpenStudy (anonymous):

to find the rate constant would it be my answer =k times the molarity

OpenStudy (joannablackwelder):

Yep, that would be the equation. :-)

OpenStudy (anonymous):

last question how would you make NaCl dissolve faster without increasing the temperature?

OpenStudy (joannablackwelder):

Stir

OpenStudy (joannablackwelder):

:-)

OpenStudy (anonymous):

can you change the pressure or volume to increase it

OpenStudy (joannablackwelder):

Hm, no, I don't think so. Changing the pressure doesn't really affect liquids and solids. And changing the volume would also change the concentration.

OpenStudy (anonymous):

ok. thank you so much

OpenStudy (joannablackwelder):

You're welcome!

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