what is the complete ionic equation between the reaction of sodium carbonate and calcium hydroxide to form a precipitate

Chemistry

1 answer:

Elza [17]3 years ago

4 0

Answer:

CaCl2(aq) + Na2CO3(aq) → CaCO3(s) + 2NaCl(aq)

Reference:

H.W. Hanna and A. Dittmar; Laboratory Manual for General Chemistry, 4th ed.; Morton Publishing Company, Denver, Colorado

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Which is a pure substance?<br> soda<br> gasoline<br> salt water<br> carbon dioxide

hram777 [196]

Answer: Carbon dioxide is a pure substance.

Explanation: A pure substance is defined when a substance has a single type of molecule. If more than 1 type of molecule is present in a substance, then it is considered as a mixture.

Soda is basically a mixture of water and carbon dioxide. More than 1 type of molecule is present.

Gasoline is a mixture of may gases. More than 1 type of molecule is present.

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Fynjy0 [20]

Answer:

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Explanation:

At STP, 1 mole = 22.4 L

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