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marin [14]
3 years ago
13

When calcium nitrate and sodium hydroxide solutions are mixed, what precipitates out?

Chemistry
1 answer:
Novay_Z [31]3 years ago
8 0
In their chemical formula, Calcium Nitrate is Ca(NO₃)₂ while Sodium Hydroxide is NaOH. The reaction between the two are:

Ca(NO₃)₂ + 2 NaOH → Ca(OH)₂ + 2 NaNO₃

As you can see, this is a double replacement reaction. Focusing on the products, in an aqueous solution, NaNO₃ will dissolve in water because all nitrates are soluble. Ca(OH)₂ is insoluble in water so this is the solid that precipitates.
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