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ahrayia [7]
1 year ago
13

4. Calculate the empirical formula for the following compounds Na=32.4% S=22.6 % O=45.0%

Chemistry
1 answer:
lilavasa [31]1 year ago
7 0

Answer:

Na2 S O4

Explanation:

Na  mole wt   22.989

 32.4 / 22.989 =<u> 1.4093</u>

S  mole wt = 32.06

22.6/32.06 =<u> .7049</u>

O  mole wt = 15.999

 45 / 15.999 = <u>2.8127</u>            Now divide all of the results by the smallest

Na    1.4093 / .7049 = 2

S      .7049/.7049     = 1

O      2.8127 /.7049   =  4                    so    Na2 S  O4

   

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Taking into account the definition of calorimetry and latent heat, the heat energy required to melt 4 kg of ice when the specific latent heat of fusion of water is 334,000 \frac{J}{kg} is 1,336 kJ.

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Calorimetry is the measurement and calculation of the amounts of heat exchanged by a body or a system.

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