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zhenek [66]
3 years ago
6

Identify those elements that can be isolated by electrolysis of their aqueous salts. (Select all that apply.)

Chemistry
1 answer:
vovangra [49]3 years ago
3 0
Chlorine and strontium are all over here too though so I’m not gonna go yet but I’m not going back
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a sample of solid is decomposed and found to contain 6.52g of potassium, 4.34 g of chromium and 5.34 of oxygen, what is the empi
Fynjy0 [20]

Answer:

K₂CrO₅

Explanation:

The empirical formula is the simplest formula of a compound. To find the empirical formula, we follow the procedure below:

Elements                         Potassium                 Chromium         Oxygen

Mass                                  6.52                             4.34                  5.34

Molar mass                          39                               60                      16

Number of moles             6.52/39                     4.34/60             5.34/16

                                             0.167                          0.072              0.333

Divide through by

the smallest                      0.167/0.072             0.072/0.072          0.333/0.072

                                            2.3                               1                                4.6

                                             2                                 1                                  5

Empirical formula K₂CrO₅

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3 years ago
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Explanation:

IM SO SORRY IF ITS WRONG KSDBDZDH

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