Other

Unit:2 assingment keeping up the standards learning aim A

0 purchase

Institution
PEARSON (PEARSON)

Btec level 3 applied science unit 2 practical scientific procedures and techniques. assingment title: keeping up the standards Learning aim a: undertake titration and colorimetry to determine the cocentration of solution.

[Show more]

Preview 2 out of 14 pages

View example

Uploaded on April 2, 2023
Number of pages 14
Written in 2022/2023
Type Other
Person Unknown

titaration
colorimetry
betc
assingments
cheap price
applied science
biomedical science level 3 diploma

Keeping up the Standards

Titrations
The experiment aims to find out the concentration of an unknown solution .

Titration Introduction:
Titration is a process of determining the concentration of an unknown solution using a
solution of known concentration.
In this experiment, hydrochloric acid is used to react sodium carbonate until it becomes
neutral.

Use of titration:
Titration is used in industry to find out the concentration of unknown solutions.

Equation:
Na2CO3(aq) + 2HCl(aq) 2NaCl(aq) + CO2(g) + H2O(l)

Abstract:
A standard sodium carbonate solution was prepared by weighing out 2.65g of anhydrous
sodium carbonate. It was then transferred to a beaker and dissolved in water. The solution
was then transferred to a volumetric flask (250 cm 3) The mixture was then mixed and
labelled.
This standard solution was used to standardise hydrochloric acid and 0.1 mol/dm -3 were
determined.

Risk Assessment:

Substance Hazard Damage Prevention
Hydrochloric acid Redness, Handle with care.
(HCl) discomfort, and Wear a lab coat. Put
severe skin burns on gloves and safety
can result from skin goggles. Do not
contact. The eye inhale the vapour or
Corrosive may suffer from mist. Avoid eating or
severe burns and drinking in the lab.
long-term damage.
If inhaled, it is
poisonous and could

, Toxic irritate the lungs.

Irritant
Sodium carbonate Having trouble Handle with care.
(Na2CO3) breathing when Wear a lab coat. Put
sodium carbonate is on gloves and safety
inhaled, serious goggles. Do not
Irritant respiratory inhale the vapour or
problems. mist. Avoid eating or
Stomach upset or drinking in the lab.
digestive tract may
become severely
irritated if you
accidentally swallow
sodium carbonate.
Oral, chest, or
abdominal pain; skin
or eye irritation.
Indicator Prolong exposure Handle with care.
(Phenolphthalein) with high Wear a lab coat. Put
phenolphthalein on gloves and safety
concentrations can goggles. Do not
Flammable cause skin rashes, inhale the vapour or
vomiting, comas, mist. Avoid eating or
and even death. drinking in the lab.
In addition to this,
exposure to
phenolphthalein
Health may cause
hazard (harmful) respiratory tract
irritation, eye
irritation, skin
irritation,
gastrointestinal
fever, and blood
pressure to rise.
Equipment (glass Explode in elevated Handle with care.
breakage) temperature, Keep the working
alkaline conditions. are clear and the
May cause injuries, surface clean.
lead to infection.
Health Spillage can cause
hazard (harmful) severe damage to

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

You can quickly pay through credit card for the summaries. There is no membership needed.

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller fazeelahmed. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for £16.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

68175 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy revision notes and other study material for 15 years now

Start selling