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Olegator [25]
3 years ago
5

I NEED HELP!!!!!!!!!!!!!!!!

Chemistry
1 answer:
sergij07 [2.7K]3 years ago
8 0
A is the correct answer
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Someone help me out with these chemistry (stoichiometry)
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Polyester is a synthetic material used for many different purposes. It is produced from petroleum and natural gas. Producing pol
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A. Producing certain synthetic materials could have a greater environmental impact than disposing of them.

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What was formed as result of diverging plates
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3 years ago
Describe how to test your unknown salt mixture for the presence of<br>Na3PO4.12H2O.​
klemol [59]

Na3PO4*12H2O + BaCl2*2H2O = Ba3(PO4)2 + NaCl + H2O

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3 years ago
How many molecules are in 3.6 grams of NaCl?
raketka [301]

Answer:

\boxed{\text{None}}

Explanation:

There are no molecules in NaCl, because it consists only of ions.

However, we can calculate the number of formula units (FU) of NaCl.

Step 1. Calculate the moles of NaCl

\text{No. of moles}=\text{3.6 g NaCl}\times \dfrac{\text{1 mol NaCl}}{\text{63.54 g NaCl}} = \text{0.0567 mol NaCl}

Step 2. Convert moles to formula units

\text{FU} = \text{0.0567 mol NaCl} \times \dfrac{6.022 \times 10^{23}\text{ FU NaCl}}{\text{1 mol NaCl}}\\\\= 3.4 \times 10^{22} \text{ FU NaCl}

There are \boxed{3.4 \times 10^{22} \text{ FU NaCl}} in 3.6 g of NaCl.

6 0
3 years ago
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