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Ugo [173]
2 years ago
7

How many molecules of water are in 1.8 moles of water

Chemistry
1 answer:
Juli2301 [7.4K]2 years ago
3 0

The number of molecules in given amount of water is 10.8396 x 10 by the 23 power.

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This means that there are 7 protons in the nucleus of a nitrogen atom. 
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Question 20 (2 points)
sveta [45]

Answer:

becomes runoff and finds its way back to the ocean

Explanation:

Precipitation refers to rainfall that reaches the earth.

Most of the rainfall that reaches the earth becomes runoff and finds its way back to the ocean.

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7 0
3 years ago
How many moles of mgs2o3 are in 193 g of the compound?
Mashutka [201]

Answer:

             1.414 Moles

Solution:

Data Given:

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                 M.Mass of MgS₂O₃  =  136.43 g.mol⁻¹

                 Moles  =  ?

Formula Used:

                            Moles  =  Mass ÷ M.Mass

Putting values,

                            Moles  =  193 g ÷ 136.43 g.mol⁻¹

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8 0
3 years ago
The mass of cupric sulfate needed to make .5 liters of a .5M solution is
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Answer:

C

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Magnesium Nitride, :)

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