1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ivenika [448]
3 years ago
13

In an acid/base lab, a student used blue litmus paper and placed it in the sample. It stayed blue. Then the student used red lit

mus paper and it stayed red. What should the student's conclusion be?
Chemistry
1 answer:
Allushta [10]3 years ago
7 0

Answer: The substance is neutral

Explanation:

If you place red litmus paper into a basic substance, it turn's blue. When it comes in contact with an acidic or neutral substance, it doesn't change colour it remains red.

Blue litmus paper in acid turns red when placed in a basic or neutral solution it remains blue. From this it can be concluded that the solution is neutral.

You might be interested in
What is matter ????????
Debora [2.8K]
Matter is everything and everything is made of matter, everything physical at least
4 0
3 years ago
Read 2 more answers
A 0. 1220 g vitamin c tablet was dissolved in acid. This required 11. 50 ml of 0. 01740 m kio3 to reach the endpoint. Calculate
kodGreya [7K]

86.66 %  by weight of ascorbic acid in the tablet, when 0. 1220 g vitamin c tablet was dissolved in acid. This required 11. 50 ml of 0. 01740 m KIO_3 to reach the endpoint.

<h3>What is a balanced chemical equation?</h3>

A balanced chemical reaction is an equation that has equal numbers of each type of atom on both sides of the arrow.

3C_6H_80_6 +3I_2 +KIO_3 +5KI +6H^+ → 3C_6H_60_6 +6I^- +3I_2+6K^+ +3H_2O

So, the balanced chemical equation for the reaction will be:

3C_6H_8O_6 +KIO_3 → 3C_6H_6O_6 +KI + 3H_2O

That means, 3 mol of of ascorbic acid reacts with 1 mol of KIO_3

Moles of KIO_3 available is 0.0174 X 0.0115 =0.0002001 mol

Moles of ascorbic acid to be yielded should be 3 X 0.0002001 =0.0006003

So, percent mass of ascorbic acid in the tablet will be:

(0.1057 / 0.1220) X 100 %

=86.66 %

Hence, the third option is the correct answer.

Learn more about balanced chemical equations here:

brainly.com/question/26750249

#SPJ4

8 0
1 year ago
What is the main reason that the bounce height decrease.
tiny-mole [99]
Since there is loss of kinetic energy
5 0
3 years ago
What is homologous series . Write it's characteristics
Anni [7]

Answer:

Homologous series is defined as a systematic order of structurally similar organic compound containing same functional group in their family and two adjacent members differ in their molecular formula by -CH2 unit.

Characteristics:

1.Various members of homologous series contain same functional group.

2.Various members of homologous series can be represented by common formula.

3. All members of a homologous series have almost similar chemical properties.

4. All members have common method of preparation.

5.Two successive members of homologous series have different chain length or difference in their molecular formula by -CH2 unit.

6.The members of homologous series show different physical properties.

4 0
2 years ago
Can you help me please
irina [24]

Answer:

Concentrated solutions

7 0
2 years ago
Other questions:
  • What is a solid formed from liquid reactants during chemical reaction
    11·2 answers
  • What is the right answer for this. I really need help
    10·1 answer
  • The direct link between customers and the company is performed by:
    14·2 answers
  • When a highly reactive metal, such as lithium (Li), is mixed with a highly reactive nonmetal, such as chlorine (Cl), they will m
    7·1 answer
  • Name the piece of equipment shown above:
    11·2 answers
  • Calculate the number of moles and the mass of the solute in each of the following solutions:
    10·1 answer
  • What advances in science have been made as a result of radiometric dating?
    15·1 answer
  • what can be inferred from a food product advertisement that claims 30% less fat than our leading competitors? ​
    12·2 answers
  • BRAINLIESTT
    13·1 answer
  • What does Fe(NO3)2 + Cu stands for?​
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!