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What mass of MgCl2 is formed in the following equation if 48g of Mg react in the following equation: Mg + 2HCI -> MgCI 2 + H

First you must calculate the moles of Mg that originally reacted. moles = mass/Mr moles=48/24 moles= 2 Molar ratio of Mg to MgCl2 is 1:1 Therefore 2 moles of MgCl2 were produced moles= mass/Mr mass= moles...

SG
Answered by Sofia G. Chemistry tutor
4117 Views

Why do cells first transcribe messenger RNA from DNA and then translate messenger RNA to protein? Why not directly translate DNA to protein?

Practically, the cell is unable to translate proteins from DNA as the translation machinery is in the cytoplasm and the DNA is in the nucleus and so the messenger RNA (mRNA) communicates the genetic code ...

DG
3112 Views

What if the author didn't 'mean' all the things we're analysing?

Although authorial intention can illuminate a reading of a certain text, it is in many ways irrelevant. The author will have been impacted by things in his/her lifetime that they may not have been aware o...

JH
3616 Views

How can diet increase risk of cardiovascular disease?

A diet high in saturated fats can increase risk of cardiovascular disease. This is due to higher blood cholesterol levels. Cholesterol is a major constituent of the fatty streaks deposited in the artery l...

AA
Answered by Ayaz A. Biology tutor
2820 Views

What is acetylcholine?

Acetylcholine is a neurotransmitter used by cholergenic neurones.Neurotransmitters are chemicals used as a signalling molecule across a synapse.Acetylcholine will be released from the presynaptic bulb fro...

AM
Answered by Abby-Lee M. Biology tutor
4921 Views

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