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wlad13 [49]
4 years ago
10

What is the weight in grams of 3.36 × 1023 molecules of copper sulfate (CuSO4)?

Chemistry
2 answers:
Mekhanik [1.2K]4 years ago
8 0

<u>Answer:</u> The mass of given amount of molecules of copper sulfate is 89.054 grams.

<u>Explanation:</u>

According to mole concept:

1 mole of a compound contains 6.022\times 10^{23} number of molecules.

The mass of 1 mole of copper sulfate = 159.609 grams

As, 6.022\times 10^[23} number of molecules have a mass of 159.609 grams.

So, 3.36\times 10^{23} number of molecules will have a mass of \frac{159.609g}{6.022\times 10^{23}}\times 3.36\times 10^{23}=89.054g

Thus, the mass of given amount of molecules of copper sulfate is 89.054 grams.

Juli2301 [7.4K]4 years ago
7 0
Molar mass of cuso4=63.5+32+4*16= 159.5 g
6.02*10^23 molecules weigh=159.5 g
1 molecule weigh=159.5/6.02*10^23 g
3.36 × 10^23 molecules weigh=159.5/6.02*10^23*3.36× 10^23
=89.023g

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