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A sodium hydroxide solution is made by dissolving 3.5 g of sodium hydroxide with 500 cm^3 of water. What is the concentration of the solution in g dm^-1?

3.5 g of sodium500 cm3 of water is 0.5 dm33.5 / 0.5 = 7 g dm-3

AH
Answered by Anna H. Chemistry tutor
1757 Views

Give the full electron configuration for the sodium ion, Na+.

1s22s22p6

AH
Answered by Anna H. Chemistry tutor
5726 Views

Describe two differences and two similarities between animal cells and plant cells.

Differences:Plant cells have cell walls, animal cells do not.Plant cells have vacuoles, animal cells do not.Plant cells have chloroplasts, animal cells do not.Similarities:Both plant and animal cells have...

AH
Answered by Anna H. Biology tutor
24376 Views

“City, Court or Country: a writer’s setting is always significant.” Discuss how far you agree with this view, in relation to 'The Merchant's Tale'

Setting is of great importance in The Merchant's Tale, as the majority of the the action, notably the all-important cuckolding scene, unfolds in the walled garden, a not so oblique satire of the ...

FM
Answered by Flora M. English tutor
2814 Views

How should I evaluate studies and theories in Psychology?

One easy way to remember how to evaluate is the acronym MERIT (Method, Ethics, Real world application, Individual Differences, Theory). We could try approaching Zimbardo's prison study from these perspect...

JT
1737 Views

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