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sergij07 [2.7K]
3 years ago
7

Chemical formula 3CuCl2 + 2Al --> 2AlCl3 + 3Cu

Chemistry
1 answer:
MrRissso [65]3 years ago
3 0

Answer:

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kvasek [131]

Explanation:

here

Al is 2

so is 6

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4 0
3 years ago
Classify the following as a heterogeneous mixture, homogeneous mixture (solution), or a pure substance: lemonade with no pulp A.
IceJOKER [234]

Answer:

b

Explanation:

7 0
2 years ago
A radioactive substance of mass 768g has a half life of 3 years. After how many years does it leave only 6g undecayed?​
vagabundo [1.1K]

Answer:

The answer is 21 years.

Explanation:

7×3

8 0
3 years ago
Read 2 more answers
Which element is most likely to gain an electron?
Oduvanchick [21]
B. Fluorine (F) is the right answer
3 0
3 years ago
About 6 × 109 g of gold is thought to be dissolved in the oceans of the world. If the total volume of the oceans is 1.5 × 1021 L
Lelechka [254]

First, determine the number of moles of gold.

Number of moles  = \frac{given mass in g}{molar mass}

Given mass of gold  =6 \times 10^{9} g

Molar mass of gold  = 196.97 g/mol

Put the values,

Number of moles of gold  = \frac{6 \times 10^{9} g}{196.97 g/mol}

= 0.03046\times  10^{9} mole or 3.046\times  10^{7} moles

Now, molarity  = \frac{moles of solute}{volume of the solution in liters}

Put the values, volume of ocean  =1.5 \times 10^{21} L

Molarity = \frac{3.046\times 10^{7} moles}{1.5 \times 10^{21} L}

= 2.03\times 10^{-14} M

Thus, average molar concentration = 2.03\times 10^{-14} M




6 0
3 years ago
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