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How do I calculate the relative formula mass of Calcium carbonate (CaCO3)

The relative formula madd of a compound comes from the total mass of all of the elments within the compound. So in the case of calcium carbonate (CaCO 3 ) we have; 1 x Ca 1 x C 3 x O So we first need to know...
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Answered by Jenny B. • Chemistry tutor
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What is form?

Form refers to the type of text, for example novel, haiku, sonnet, that the writer has used. It is significant because the writer has deliberately chosen the form in order to best convey the themes or charac...
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Answered by Sophie C. • English tutor
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How are ox-bow lakes formed?

As a river flows across a valley over time it will meander in order to find the path of least resistance through patches of soft and hard rock. As the river meanders it erodes the outside of the bend (the so...
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Answered by Sophie C. • Geography tutor
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What is peristalsis?

Peristalsis is the mechanism by which gut muscles contract. There are two main types of muscle in the gut: -longitudinal -circular Together, these muscles contract to create waves of movement. This allows fo...
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Answered by Saadiyah K. • Biology tutor
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How best to structure answers to essay style exam questions?

The best method would be to follow the PEA technique. PEA stands for: POINT EVIDENCE ​ANALYSIS First make a point about the given text. Then provide evidence by quoting a few words or a sentence from the tex...
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