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
marta [7]
3 years ago
7

Which of the following represents a 1.00 M (M = mol/dm3) aqueous solution of glucose (C6H12O6)?

Mathematics
1 answer:
tino4ka555 [31]3 years ago
7 0

Answer:

Option C. 90.0 g glucose per 500 cm3 water

Step-by-step explanation:

1.00 M (mol/dm3) aqueous solution of glucose (C6H12O6) means that 1 mole of glucose is dissolved in 1dm³ (1000cm³) of water.

The concentration of a substance is defined as the mole of solute per unit volume of solvent (water) in dm³.

Option A is wrong since it state: 180g of C6H12O6 per 1000cm³ of solution. Concentration is always expressed as per 1000cm³ or dm³ of water.

For option B:

We shall determine the number of mole of C6H12O6, followed by the concentration.

This is illustrated below:

Molar mass of C6H12O6 = (12x6) + (12x1) + (16x6) = 180g/mol

Mass of C6H12O6 = 10g

Mole = Mass /Molar Mass

Mole of C6H12O6 = 10/180 = 0.056 mole.

Volume of water = 10cm³ = 10/1000 = 0.01dm³

Concentration = mole /Volume

Concentration = 0.056/0.01 = 5.6mol/dm³

Option B is wrong

For option C:

We shall determine the number of mole of C6H12O6, followed by the concentration.

This is illustrated below:

Molar mass of C6H12O6 = 180g/mol

Mass of C6H12O6 = 90g

Mole = Mass /Molar Mass

Mole of C6H12O6 = 90/180 = 0.5mole

Volume of water = 10cm³ = 500/1000 = 0.5dm³

Concentration = mole /Volume

Concentration = 0.5/0.5 = 1mol/dm³

Option C is correct.

For option D is wrong as well as it states 0.1g of C6H12O6 per cm³ of solution. Concentration is always per 1000cm³ or dm³ of water.

From the above illustrations, option C is the correct answer.

You might be interested in
Suppose that there are two types of tickets to a show:Advance and same-day. Advance tickets cost $35 and same day tickets cost $
sdas [7]

Answer:    30 $15 tickets and 20 $35 tickets

Step-by-step explanation:

.X%2BY=50

2.15X%2B35Y=1150

From eq. 1,

15X%2B15Y=750

Subtract from eq. 2,

15X%2B35Y-15X-15Y=1150-750

20Y=400

Y=20

Then,

X%2B20=50

X=30

30 $15 tickets and 20 $35 ticket

Hope it helps

5 0
3 years ago
A. What is the median of the data set?
Delicious77 [7]

Answer:the median is 20 and the lower quartile is 16.5

Step-by-step explanation:

7 0
2 years ago
Quadrilateral abcd is a rhombus and points c, d, and e are on the same line. is quadrilateral abde a rhombus?
Step2247 [10]
No, because BC and BD are not the same lengths. If AB = BC, then AB and BD are not the same lengths -> ABDE is not a rhombus.
6 0
3 years ago
HELP Help Please
Alexandra [31]

Answer:

l × b is the correct answer for this question

6 0
2 years ago
Calcula el área de un rombo cuya diagonal mayor mide 10 cm y cuya diagonal menor es la mitad de la mayor.
attashe74 [19]

Respuesta:

25 cm²

Explicación paso a paso:

El área A de un rombo tiene:

A = pq / 2

Donde pyq son las diagonales

Tomando p como la diagonal más grande = 10 cm

Diagonal más pequeña, q = 1/2 * 10 = 5cm

Por lo tanto, el área del rombo es:

A = (10 * 5) / 2

A = 50/2

A = 25 cm²

5 0
3 years ago
Other questions:
  • How to solve a math equation step by step
    10·2 answers
  • A horse drinks about 120 gallons of water every four days at this rate about how many gallons of water does a horse drink in 28
    6·2 answers
  • I need helpI need helpI need helpI need helpI need helpI need helpI need helpI need help
    5·2 answers
  • Find the product of -5 1/3 • 4 2/5
    13·1 answer
  • Find the sum of the interior angle measures of a pentagon
    14·1 answer
  • -2(y-8)=-8y-32 A)y=8 B)y=4 C)y=-8 D)y=-4 Show all your work plz
    5·1 answer
  • Porter sold a swing set for $497.93 and earned 5 7/10 commission. How much commission did porter earn?
    5·1 answer
  • To round a decimal first you need to find what you need to round it by. Tenths place, hundredths place, thousandths place, and t
    6·2 answers
  • The sum of two numbers is 49 and the difference between these two numbers is 9. What are these two numbers?​Shown working out pl
    12·1 answer
  • What is the value of x? please help me! <br><br> A. 43<br> B. 62<br> C. 105<br> D. 115
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!