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Do you think the alka seltzer particle size will affect the amount of solubility it has?
I believe that the particle size does affect the amount of solubility it has because there different sizes so there's more of it to dissolve which takes more time. Due to this size difference solubility will either increase or decrease.

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The the three main ingredients in alka seltzer are aspirin , sodium bicarbonate, and anhydrous citric acid. Alka Seltzer is mainly used for stomach problems. When alka seltzer hits your stomach it has a immediate chemical reaction.Some chemical reaction occur almost instantly while others occur slowly. In this experiment, I am aiming towards finding the effect on the time it takes for Alka-Seltzer tablets to completely dissolve based on different reactant sizes. I will be conducting many trials in which I test the different times for how long a tablet takes to dissolve when it is a whole tablet, cut in half, and cut in quarters. I will be observing what effect the size of the reactant particle has on the speed of the chemical reaction, which is the production of carbon dioxide gas formed by an Alka-Seltzer tablet. The alka seltzer tablet also has solubility which means it has the ability to dissolve especially in water so it will bubble.

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1.Assemble materials
2.Prepare nececary Alka seltzer
3.Drop prepared solute into the solvent to test your control substance
4.Time alka seltzer until the reaction stops and record time and obs
5.Repeat 2-4 for accuracy
6.Repeat steps 2-4 but this time prepare the variable substance  (you may be using the balance to mesear out a substance or may be using a different liqued
7. clean up lab station

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I got the results i got because the 1/2 alka seltzer and the crushed there is more of the substance to dissolve so it is going to take longer to dissolve

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Whole

Crushed
when dropped in water made smoke then dissapeared trial 1-2 brand changed of alka seltzer faster reaction time

1/2

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In conclusion my hypothisis was wrong i thought that the alka seltzer would bubble for around 10 seconds.
the 1/2 alka seltzer and the crushed they both got an average of 85 seconds. The whole alka seltzer only got 64 seconds. so in conclusion my hypothisis was wrong and the crushed and 1/2 alka seltzer got the slowest desolve time.