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ryzh [129]
3 years ago
14

Mole ratio of co2 carbonate to water

Chemistry
1 answer:
tino4ka555 [31]3 years ago
4 0
Pls make ur question alittle clearer by may be saying the chemical compound or writing the required reaction

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In a 5.609g of H20, how many molecules H20<br> arc<br> present?
nignag [31]

Answer:

1.88 x 10²³molecules of H₂O

Explanation:

Given parameters:

Mass of H₂O  = 5.609g

Unknown:

Number of molecules of  H₂O  = ?

Solution:

To solve this problem, we need to find the number of moles of given compound first.

 Number of moles  = \frac{mass}{molar mass}  

Molar mass of  H₂O = 2(1) + 16  = 18g/mol

 Number of moles  = \frac{5.609}{18}   = 0.31mole

From mole concept;

            1 mole of a substance contains 6.02 x 10²³molecules

       0.31 mole of H₂O will therefore contain 0.31 x 6.02 x 10²³molecules

                                             = 1.88 x 10²³molecules of H₂O

       

8 0
3 years ago
Sixty miles/hour is how many ft/sec
Karo-lina-s [1.5K]
88 foot per second. 
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5280 × 60 = 316800

316800 feet per hour

3600 seconds = 1 hour

316800 feet per 3600 seconds

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88 feet per second

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What is the most basic level of biological organization?
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molecule

Explanation:

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