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nordsb [41]
3 years ago
8

What is the difference between a molecule name and a chemical formula?

Chemistry
1 answer:
Assoli18 [71]3 years ago
7 0

A formula must always be written using element symbols (NaCl, for example) whereas a molecule can be named using symbols (NaCl) or written (sodium chloride).


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Type the correct answer in the box. Express your answer to three significant figures.
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<u>Given:</u>

Mass of calcium nitrate (Ca(NO3)2) = 96.1 g

<u>To determine:</u>

Theoretical yield of calcium phosphate, Ca3(PO4)2

<u>Explanation:</u>

Balanced Chemical reaction-

3Ca(NO3)2 + 2Na3PO4 → 6NaNO3 + Ca3(PO4)2

Based on the reaction stoichiometry:

3 moles of Ca(NO3)2 produces 1 mole of Ca3(PO4)2

Now,

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# moles of ca(NO3)2 = 96.1/164 = 0.5859 moles

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Mass of Ca3(PO4)2 produced = 0.0196 * 310 = 6.076 g

Ans: Theoretical yield of Ca3(PO4)2 = 6.08 g



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