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20cm3 of 0.5moldm-3 of HCL is diluted by adding 15cm3 of water. This diluted solution is titrated against a 0.3moldm-3 solution of NaOH. What is the volume of the NaOH in cm3 required to reach the endpoint of the titration?

We need to calculate how many moles of HCl are being titrated. This is the volume in dm3 times the concentration (trick: you can do dimensional analysis if unsure of the formula): number of moles of HCl =...

Answered by • Chemistry tutor

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Evaluate Milgram's(1963) research on obediece (12)

Milgram's (1963) electric shock experiment aimed to investigate whether people commit atrocities due to obedience to an authority figure or simply because they were evil. He used a volunteer sample of 40 ...

Answered by Ayden W. • Psychology tutor

5465 Views

Could you name and describe the different stages of the mitotic cell cycle?

The different stages of the mitotic cell cycle comprise prophase, metaphase, anaphase and telophase. Prophase: Condensation of the chromosomes and the mitotic spindle begins to form. The spindle is compos...

Answered by Jessica A. • Biology tutor

2230 Views

Describe how the ultrastructure of the glomerulus and Bowman’s capsule facilitate ultrafiltration.

The filtration barrier between blood and filtrate comprises of 3 main structures: fenestrated endothelium of the arteriole, glomerular basement membrane and specialised cells called podocytes with slit di...

Answered by Zuzanna B. • Biology tutor

4830 Views

What is the difference between the verb "ser" and "estar" and when do you use them?

The verb "ser" is used when describing a quality someone or something has permanently. The verb "estar" is used when describing a temporary state of something/someone or a location.For...

Answered by Sara F. • Spanish tutor

1841 Views