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Laboratory Procedures
Page 2
Questions (82)
During experimental set up in the laboratory five documents should be provided
1 answer
asked by
Kelvin
23 views
Patrick saw SpongeBob and Gary heating something in a test tube and decided to do that test. He ran over to that station and
1 answer
asked anonymously
41 views
So i had trouble finding the answers to these questions on a lab:
Background: If we were using a burret/flask instead of a
7 answers
asked by
Jenny
1,106 views
describe the detailed procedure of how to prepare 500 ml of 1M of sodium acetate solution.
1 answer
asked by
Diinho
928 views
I am trying to answer a bunch of lab questions about a lab I did and am stuck on finding the morality of the diluted vinegar
5 answers
asked by
Gweedo8
968 views
An empty crucible was heated to drive off any volatile impurities and weighed after cooling (see below). A small amount of the
1 answer
asked by
Elysia
935 views
Write laboratory report in this topic;
1.Introduction to herbarium procedures (collection, pressing, identification of
1 answer
asked by
Abrish
127 views
Assuming that the lab procedure was conducted in an identical manner in all other respects, if a large quantity of vinegar had
2 answers
asked by
Liz
783 views
Potassium permanganate (KMnO4) solutions are used for the determination of iron in samples of unknown concentration. As a
2 answers
asked by
Mark
802 views
Which procedure is the best way to find the correct mass of an object in a laboratory experiment?
1)make sure the balance works
1 answer
asked by
Nicole
726 views
When weighing liquid ethanol, why do you have to place water in the beaker prior to adding the ethanol to that same beaker? We
3 answers
asked by
Anonymous
726 views
The standard solution were prepared by transferring exactly 1.00 mL, 2.00 mL, 3.00 mL, 4.00 ml, and 5.00 ml, respectively, of
2 answers
asked by
Anonymous
699 views
A student followed the procedure given in the lab exercise to determine the ascorbic acid content in a commercial vitamin C
1 answer
asked by
R
648 views
How will you prepare a laboratory procedure to verify the validity of the hypothesis. Give Example.
4 answers
asked by
Gela
617 views
Lab: Determining Ka of Acetic Acid
Purpose: The purpose of this experiment is to determine the molar concentration of a sample of
2 answers
asked by
Tim's Titration Lab
646 views
prepare a standard solution of oxalic acid with a concentration of 0.05mol.dm3.
a report of the investigation. give the aim,
2 answers
asked by
anonymous
618 views
I forgot to weigh the mass of filter paper and CaC2O4 before oven drying it. What do i do?
3 answers
asked by
Siya
593 views
You wish to make 1L of sterile lysis buffer soln. that is 10mM Tris-EDTA (pH 8) and 2% SDS. You have plenty of the following
2 answers
asked by
Sue
597 views
A student is asked to prepare 250.0 mL of 3.5 M copper (II) sulfate from solid copper (II) sulfate pentahydrate. Describe how
2 answers
asked by
bob
595 views
For an experiment, a student needs 1L each of 2M NaOH and 2 M KCl solutions. The NaOH will be prepared from a 12M stock
4 answers
asked by
baby_doll321
607 views
Mass of Aspirin tablet: 0.357 g
10 mL of 1 M NaOH was added to the aspirin tablet in a 125 mL Erlenmeyer flask and heated to a
2 answers
asked by
t
607 views
how to prepare CO from this equation in the lab CaCo3 + 2HCl → CaCl2+H2O+ CO2 (g)
Or CaCo3 ----(Heat 500 to 600 C0→ Cao +Co2
4 answers
asked by
roro
588 views
STANDARD: Put into a clean 250 mL volumetric flask exactly ..... 0.90 ml
of 1.00 mM iodate STANDARD. Add an excess of 1M KI and
6 answers
asked by
faruk
550 views
Briefly Describe A Suitable Laboratory Procedure Of Seperating A Mixture Of Nacl,Nh4cl,Pbcl2
2 answers
asked by
Damilola
528 views
So i had trouble finding the answers to these questions on a lab:
Background: If we were using a burret/flask instead of a
2 answers
asked by
PPLLEEAASE Help!!!!
535 views
1. which procedure would best allow a scientist to observe a chemical property of hydrochloric acid (HCI) solution
-B am I
3 answers
asked by
connexus kid
479 views
formulation of hypothesis for the prepation of a standard solution of oxalic acid with a concentration of 0.05mol.dm3. very
1 answer
asked by
anonymous
462 views
How is data analysis and interpretation done in laboratory practice?
1 answer
asked anonymously
17 views
How to write procedure in laboratory report
1 answer
asked by
Torpa
31 views
Dissolve 0.1gm of glucose in 2cc of water add 2 drops of molischs reagent and shake. Carefully pour 2cc if conc H2SO4 down the
1 answer
asked anonymously
18 views
Which procedures were followed in this lab to decrease experimental error? Check all that apply.
repeating the experiment three
1 answer
asked anonymously
9 views
The silver nitrate solution (0.1 mol/L), dry 5g of AgNO3 for two hours at 100℃ and allow to cool. Accurate weight about 4.25g
1 answer
asked anonymously
8 views
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Parent Categories (10)
Biology or Chemistry (depending on the context)
Chemistry
Chemistry Education
Chemistry or Science
Experimental Methods
Science
Science and Chemistry
Science and Research
Science and Technology
Science Education