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s2008m [1.1K]
2 years ago
5

Chemical bond break up letter

Chemistry
1 answer:
Black_prince [1.1K]2 years ago
4 0
Chemicals are bound together like two pieces of bread
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What is the molality of a solution containing 10.0 G of NA2 S04 and 1000.0 G of water
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1 literThe total of water is equal to 1000.0 g of water

we need to find the molality of a solution containing 10.0 g of dissolved in  Na₂S0₄1000.0 g of water

1. For that find the molar mass

Na:  2 x 22.99= 45.98

S:  32.07

O:  4 x 16= 64

The total molar mass is 142.05

We have to find the number of moles, y

To find the number of moles divide 10.0g by 142.05 g/mol.

So the number of moles is 0.0704 moles.

For the molarity, you need the number of moles divided by the volume. So, 0.0704 mol/1 L.

The molarity would end up being 0.0704 M

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