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Anna11 [10]
3 years ago
8

Answer answer answer answer answer answer answer

Chemistry
2 answers:
Harlamova29_29 [7]3 years ago
7 0

Answer:

yellow

Explanation:

rusak2 [61]3 years ago
5 0

Answer:

c

Explanation:

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3 years ago
A compound has an empirical formula of C2H6. What additional piece of evidence is needed to determine the molecular formula?
iragen [17]
I think the correct answer from the choices listed above is option A. The additional piece of information needed to determine the molecular formula would be percent composition of carbon. A molecular formula is <span>a formula that gives the number of atoms of each of the elements present in one molecule of a specific compound.</span>
3 0
4 years ago
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GOOD REWARD<br> I will report those who gives random answers.
Helen [10]

Answer:

3 mol AlCl₃.

Explanation:

Hello!

In this case, according to the specified reactants and products, it is possible to set up the following balanced chemical reaction:

Al(NO_3)_3+3NaCl\rightarrow 3NaNO_3+AlCl_3

Whereas we evidence the 1:3 mole ratio between aluminum nitrate and sodium chloride; thus, since different moles were reacting, we need to identify the limiting reactant by computing the moles of AlCl₃ produced by each reactant as follows:

n_{AlCl_3}^{by\ Al(NO_3)_3}=4molAl(NO_3)_3*\frac{1molAlCl_3}{1molAl(NO_3)_3} =4molAlCl_3\\\\n_{AlCl_3}^{by\ NaCl}=9molNaCl*\frac{1molAlCl_3}{3molNaCl} =3molAlCl_3

Thus, we infer that NaCl is the limiting reactant as it produces the fewest moles of AlCl₃; consequently the produced amount of this product is 3 mol.

Best regards!

5 0
3 years ago
At 25.0∘C, the molar solubility of barium chromate in water is 1.10×10−5 M . Calculate the solubility in grams per liter.
Lunna [17]
Hey there!

Molar mass :
<span>
 ‎BaCrO</span>4 =  ‎253.319 g/mol

(g/L) = molar solubility * molar mass

(g/L) =  ( 1.10 x 10⁻⁵ ) * 253.319

=> 2.79x10⁻³ g/L
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What instrument, along with a telescope, allows study of the wavelengths of visible light coming from a star?
LenKa [72]
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4 years ago
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