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Does a substance such as coke or pepsi dissolve a piece of chalk quicker depending on its pH levels?
Wiki User
∙ 15y ago
coke is pretty acidic, it is around pH 3.2 and since chalk is a carbonate, it undergoes the a classic acid base reaction similar to the vinegar + baking soda reaction. so it would appear to an observer like it is dissolving faster
but i think if this is a homework question your teacher has asked a flawed question becase the chalk does not dissolve it reacts which is two different things (chemical change vs physical change)
also you have to keep in mind the fact that coke is a pretty saturated solution as it has ~40g of glucose/fructose and this can affect solubility
Wiki User
∙ 15y ago
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