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
Diano4ka-milaya [45]
2 years ago
13

A 2.500g sample of compound containing only Carbon and Hydrogen is found containing 2.002g of Carbon. Determine the empirical fo

rmula of the compound.​
Chemistry
1 answer:
Dima020 [189]2 years ago
7 0

The empirical formula : CH₃

<h3>Further explanation</h3>

Given

2.5 g sample

2.002 g Carbon

Required

The empirical formula

Solution

Mass of Hydrogen :

= 2.5 - 2.002

= 0.498

Mol ratio C : H :

C : 2.002/12 = 0.167

H : 0.498/1 = 0.498

Divide by 0.167 :

C : H = 1 : 3

You might be interested in
If a pharmacist adds 10 ml of purified water to 30 ml of a solution having a specific gravity of 1.30, calculate the specific gr
xxMikexx [17]

The specific gravity of a sample is the ratio of the density of the sample with respect to one standard sample. The standard sample used in specific gravity calculation is water whose density is 1 g/mL. The solution having specific gravity 1.30 is the density of the sample that is 1.30 g/mL. Thus the weight of the 30 mL sample is (30×1.30) = 39 g.

Now the mass of the 10 mL of water is 10 g as density of water is 10 g/mL. Thus after addition the total mass of the solution is (39 + 10) = 49g and the volume is (30 + 10) = 40 mL. Thus the density of the mixture will be \frac{49}{40}=1.225 g/mL. Thus the specific gravity of the mixed sample will be 1.225 g/mL.

6 0
3 years ago
The amount of matter in an object is its
andrezito [222]

The amount of matter in an object is its Mass...

7 0
2 years ago
HELP SCIENCE QUIZ I WILL MARK YOU BRAINLIEST
Goryan [66]

Answer:

i want to say nuclues but again i also think that it is electron shells

7 0
3 years ago
Read 2 more answers
8. What group numbers are the transition elements in?
Anna007 [38]
The 38 elements in groups 3 through 12 of the periodic table are called "transition metals". As with all metals, the transition elements are both ductile and malleable, and conduct electricity and heat. The interesting thing about transition metals is that their valence electrons, or the electrons they use to combine with other elements, are present in more than one shell. This is the reason why they often exhibit several common oxidation states. There are three noteworthy elements in the transition metals family. These elements are iron, cobalt, and nickel, and they are the only elements known to produce a magnetic field I HOPE THIS HELP:)
3 0
2 years ago
The pOH of an aqueous solution at 25°C was found to be 1.20. The pH of this solution is . The hydronium ion concentration is M.
frosja888 [35]

Answer:

pH = 12.80

[H3O+] = 1.58 * 10^-13 M

[OH-] = 0.063 M

Explanation:

Step 1: Data given

pOH = 1.20

Temperature = 25.0 °C

Step 2: Calulate pH

pH + pOH = 14

pH = 14 - pOH

pH = 14 - 1.20 = 12.80

Step 3: Calculate hydronium ion concentration

pH = -log[H+] = -log[H3O+]

12.80 = -log[H3O+]

10^-12.80 = [H3O+] = 1.58 * 10^-13 M

Step 4: Calculate the hydroxide ion concentration

pOH = 1.20 = -log [OH-]

10^-1.20 = [OH-] = 0.063M

Step 5: Control [H3O+] and [OH-]

[H3O+]*[OH-] = 1* 10^-14

1.58 *10^-13 * 0.063 = 1* 10^-14

5 0
3 years ago
Other questions:
  • The aprticles that are lost, gained, or shared in chemical reactions are?
    13·1 answer
  •  Convert the following to moles.
    11·1 answer
  • If an animal cell represented a city the citys power plant would represent what organelle
    9·1 answer
  • Use the following, balanced equation for the question below: 2Al(s) + 3CuCl2(aq) → 3Cu(s) + 2AlCl3(aq) How many moles of copper
    10·1 answer
  • Identify the substance given to the technician.
    8·1 answer
  • Colors of light with shorter wavelengths - A: have less energy than colors with longer wavelengths Strike Reset B: have more ene
    6·1 answer
  • If you push a crate with 50N of force for 10 meters in 5 seconds how much power dis u use​
    5·2 answers
  • Plzzzzzzzzzzzzzz answer fast
    5·2 answers
  • The partial pressure of argon gas, making up 40% of a mixture is 325 torr. What is the total pressure of the mixture in kPa?
    7·2 answers
  • What is the color of the indicator thymol blue in a solution that has a ph of 11?.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!