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What are the 3 types of symbiosis?

1 answer:

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And if and because or up down and below or above or beneath

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laila [671]

Given :

560 gram of silicon dioxide.

To Find :

Number of moles of silicon dioxide in 560 gram.

Solution :

We know, molecular mass silicon dioxide is 60 gram/mol.

So, number of moles of silicon dioxide in 560 gram is :

$n = \dfrac{560\ g}{60\ g/mol}\\\\n = 9.33\ mol$

Now, one mole of any compound contain $6.022\times 10^{23}\ molecules$ .

So, number of molecules in 9.33 moles of silicon dioxide is :

$M = 9.33\times 6.022\times 10^{23}\\\\M = 5.62\times 10^{24}\ molecules$

Hence, this is the required solution.

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