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Arturiano [62]
3 years ago
15

A kind of chemical sedimentary rock

Biology
2 answers:
Klio2033 [76]3 years ago
8 0
The answer is : Limestone
vodka [1.7K]3 years ago
4 0

Answer:

Organic chemical sedimentary rock

Explanation:

Chemical sedimentary rocks are of two types: inorganic chemical sedimentary rocks and organic chemical sedimentary rocks. Example of inorganic chemical sedimentary rock is rock salt as it does not have carbon in its composition. Coal is an organic chemical sedimentary rock due to the presence of carbon in it.

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Molarity (M) or Molar concentration is a measure used in chemistry for solutes in a solution.

It is defined as mol/ L (number of moles per litre).

0,2 M means we have 0,2 mol/ L

In order to know how many grams this means we need to look up the molecular weight of the solute. In this case NaCl: 58.443 g/mol

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X= \frac{(0.2 mol x 58.433 g}{1 mol}

X= 11.69 g

The solution has 11.69 g of NaCl in 1 L of water since its an adequate polar solvent for NaCl dissolution.

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