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Marizza181 [45]
2 years ago
12

If you have 50 grams of water, how many moles would that be?*

Chemistry
1 answer:
ASHA 777 [7]2 years ago
5 0

Answer:

2.77 or 3 moles of water

Explanation:

Water or H2O has a Molar Mass of about 18.02 g/mol. n= 2.77 moles of water in a 50 gram sample. Water or H2O has a Molar Mass of about 18.02 g/mol

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<h3>A.</h3>

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3 0
3 years ago
Q- 30. The number of grams of solute
pochemuha

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1. A 25 g rock is placed in a graduated cylinder with water. The volume of the liquid rises from 18.3 mL to 21.4 mL Calculate th
MaRussiya [10]

Answer:

1. \rho=8.06g/cm^3

2. H=10cm

Explanation:

Hello,

1. In this case, since the volume of the rock is obtained via the difference between the volume of the cylinder with the water and the rock and the volume of the cylinder with the water only:

V=21.4mL-18.3mL=3.1mL

Thus, the density turns out:

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Moreover, as the volume is also defined in terms of width, height and length:

V=W*H*L

The height is computed to be:

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Best regards.

3 0
3 years ago
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5 0
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