ChronicGamingRB
27.02.2020 •
Chemistry
A precipitate of calcium carbonate is formed when an aqueous solution of sodium carbonate reacts with aqueous calcium chloride. What is the balanced equation for this reaction?
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Ответ:
Explanation:
A precipitate of calcium carbonate is formed when an aqueous solution of sodium carbonate reacts with aqueous calcium chloride . Balanced equation of this reaction ,
This reaction takes place when both reactants present in aqueous conditions, while calcium chloride precipitate separated from aqueous solution by filtration of an aqueous solution. This filtration of precipitate formed in the reaction left behind the residues aqueous solution .
Ответ:
Which of the following best describes an atom?
D. A core of protons and neutrons surrounded by electrons
What do the elements sulfur,nitrogen , phosphorus and bromine have in common?
A.They are noble (inert) gasses.
hope this helps you if its correct let me know!