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Chemistry
GCSE

CuCl2 + 2NaOH --> Cu(OH)2 + 2NaCl. 100kg of CuCl2 reacts with excess Sodium Hydroxide. 50kg of Sodium Chloride is produced. Calculate the theoretical yield of Sodium Chloride, and hence the percentage yield of Iron in this reaction.

Theoretical Yield of NaCl = 86.7kg (3sf)Percentage Yield of Iron = 57.7% (3sf)

Answered by Vishvan N. Chemistry tutor
3185 Views

How do you know which chemicals are formed at the electrodes in the electrolysis of aqueous solutions?

In electrolysis, positive ions will be attracted to the negative cathode (the cathode being negative can be remembered because cats are evil). However, in aqueous solutions there are 2 positive ion...

Answered by Syed Bilaal A. Chemistry tutor
5014 Views

Why can crude oil be separated by fractional distillation?

Crude oil is composed from hydrocarbons of varying chain length. Hydrocarbons with longer chains have higher boiling points due to the increasing strength of intermolecular forces with length, therefore t...

Answered by Charlotte F. Chemistry tutor
5691 Views

Explain the physical properties of graphite in terms of its structure and bonding

Graphite is a giant covalent molecule. This means it has many atoms joined together by covalent bonds. Graphite consists of layers of carbon atoms joined together by

Answered by Eliza D. Chemistry tutor
11673 Views

what forces hold the ions together in an ionic compound?

electrostatic forces between oppositely charged ions.

Answered by Anushka J. Chemistry tutor
7050 Views

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