Will there be a precipitate for the following reaction? Aqueous zinc chloride + aqueous sodium carbonate A. No B. Yes, there will be one precipitate. C. Yes, there will be two precipitates. D. Yes, there will be three precipitates.

Option B. Yes, there will be one precipitate.

Explanation:

We'll begin by writing the balanced equation for the reaction between aqueous zinc chloride and aqueous sodium carbonate. This is given below:

ZnCl2(aq) + Na2CO3(aq) —> ZnCO3(s) + 2NaCl(aq)

From the equation above, we can see that one precipitate is form i.e zinc carbonate, ZnCO3 as it is insoluble in water.

Therefore, the reaction produces one precipitate.

your answer would be a. 12.5 kg

answer : one can design an experiment using a liquid and an additive that can be added to the liquid and observe the chemical changes in the reaction species.

one would need a beaker which is filled with a known amount of the liquid in which thermometer is placed to measure the temperature changes; after addition of the additive to the liquid solution one can note down the temperature change and find whether the reaction is endothermic or exothermic in nature. by subtracting the initial temperature value with the final temperature one can find the temperature changes.

various combinations of liquid and additive can be used. liquid in this case can be a known quantity of water and additives can be epsom salt or without epsom salt the experiment can be conducted to notice the changes. water and ice, hydrogen peroxide and dry yeast, vinegar and baking soda,etc.