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forsale [732]
3 years ago
15

1

Chemistry
2 answers:
Alex777 [14]3 years ago
8 0
Answer is a) 1,2,2,1
Mariana [72]3 years ago
7 0

Answer:

Hello

The first one is correct.

Good luck

Explanation:

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Which compound has both ionic and covalent bonding? *
AlekseyPX

Answer:

Calcium carbonate

Explanation:

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Read 2 more answers
Calculate the concentration of a solution that has 6.7 moles in a volume of 0.6 liters.
Yuri [45]

Answer:

11.2 M

Explanation:

Given data:

Number of moles = 6.7 mol

Volume of solution = 0.6 L

Concentration /Molarity = ?

Solution:

Molarity:

It is number of moles of solute in to per kg or litters of solution. It can be calculated by the following formula.

Molarity = number of moles / Volume in L

Now we will put the values in formula.

Molarity = 6.7 mol / 0.6 L

Molarity = 11.2 mol/L

Molarity = 11.2 M

6 0
4 years ago
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