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Chemistry
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What is the empirical formula of a compound with the following composition by mass, 48.0g C, 4.0g H and 48.0g O?

There are 3 Steps to answering this question:But first you need to understand what is meant by empirical formula:The simplest whole number ratio of the atoms of each element present i...

Answered by Eleanor C. Chemistry tutor
4400 Views

Explain what would happen to the pH of a solution of aqueous hydrochloric acid if you add water.

pH is a measure of the concentration of H+ ions contained within a given volume of a solution. Adding water, without increasing the amount of hydrochloric acid particles within the solution, increases the...

Answered by Mohammed R. Chemistry tutor
2962 Views

A chemist synthesised two solutions A and B, they know one solution is an aldehyde and the other a ketone. Suggest how the chemist could identify which is which and describe any observations they would make

Tollens reagent could be used to identify the the solutions A and B, as the aldehyde solution will oxidise to a carboxylic acid and a ‘silver mirror’ will be observed. Ketones cannot be oxidised further a...

Answered by Hugo J. Chemistry tutor
1398 Views

A compound is found to contain 23.3% magnesium, 30.7% sulfur and 46.0% oxygen. What is the empirical formula of this compound?

Mass 23.3 30.7 46.0
Mr 24 32 16
Mass/Mr ...

Answered by Jack G. Chemistry tutor
4318 Views

Why does Iodine have a higher boiling point than chlorine?

Iodine has a larger number of protons and electrons than chlorine, which causes the inter-molecular forces of attraction between iodine molecules to be stronger than those present between chlorine molecul...

Answered by Jack G. Chemistry tutor
4739 Views

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