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Ede4ka [16]
3 years ago
14

The notation for the nuclide 13755Cs gives information about

Chemistry
1 answer:
k0ka [10]3 years ago
5 0

Answer is (3) both mass number and atomic number.

The notation is ₅₅¹³⁷Cs. The Cs represents the chemical symbol of Caesium element. The subscript number at the left hand side of the symbol indicates the atomic number. Hence, atomic number of Cs is 55. The superscript number at the left hand side of the symbol shows the mass number. Hence, the mass number of the Cs is 137.

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10 grams of sodium hydroxide, NaOH, is dissolved in 0.25 liters of solution. Determine the molarity (M).
lozanna [386]

Answer:

1M

Explanation:

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How many seconds would it take to deposit 17.3 g of ag (atomic mass = 107.87) from a solution of agno3 using a current of 10.00
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Data Given:

Time = t = ?

Current = I = 10 A

Faradays Constant = F = 96500

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Amount Deposited = W = 17.3 g

Solution:
             According to Faraday's Law,

                                          W  =  I t e / F

Solving for t,

                                          t  =  W F / I e
Putting values,
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                                          t  =  1547.79 s

                                          t  = 1.54 × 10³ s
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