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A student needs 0.2 moles of hydrochloric acid to conduct a reaction. How many milliliters of a 0.5 M HCl solution does the student need?

The student needs 0.2 moles of the reactant and is supplied with the 0.5 molar solution. To work out the number of milliliters needed, the student needs to divide the number of moles by the molarity and m...

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Answered by Zuzanna G. Chemistry tutor
1214 Views

Expand and simplify (x-2)(x-4)

One of the methods to answer this question would be the FOIL methodFirst Outer Inner LastStart by multiplying the First terms in each bracket and then the Outer and so on with Inner and Lastxx = x

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Answered by Ibrahim S. Maths tutor
8215 Views

Why did Labour win the 1945 election?

The 1945 election surprised the vast majority of viewers and there is no one factor that stands out as the only influential factor on the election. However, Labour’s wartime activism seems to be the key f...

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Answered by Stirling S. History tutor
2246 Views

How can you best support a point being made when analysing writing?

Analysing a text is something that can take some practice. The first thing that is important is to choose which evidence you would like to use to support what you're saying. You can quote the text to help...

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1213 Views

Describe the process of evolution by natural selection

Evolution by natural selection occurs through mutations within organisms of the same species that makes every organism slightly different. Those organisms with the favourable mutation for the environment ...

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Answered by Tegan I. Biology tutor
1676 Views

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