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
Ahat [919]
3 years ago
10

using the following equation:Fe2O3 +3H2--------->2Fe +3H2O. calculate how many grams of iron from 16.5 grams of Fe2O3 by the

following equation
Chemistry
1 answer:
Natali5045456 [20]3 years ago
5 0
No of moles of fe2o3 = 16.5/(55.8x2+16x3)=0.103mols
No. Of moles of iron= 0.103 x 2 = 0.206mols
Mass of iron = 0.206 x 55.8 = 11.5g
You might be interested in
what is the proper scientific notation for 0.000476? a.0.476 × 10-3 b.4.76 × 10-4 c.47.6 × 10-5 d.476 × 10-6
-BARSIC- [3]
B. 4.75 × 10-4 is the answer
6 0
3 years ago
Exercise 2:
vagabundo [1.1K]

Answer:

1. KCLO3------>KCL + 3/2O2(g)

2. 122.5g/mol

3. 0.2mol

4. 18.5g

7 0
3 years ago
a. What is the definition of a mole? b. What is the abbreviation for mole? SARM c. How many particles are in one mole? d. What n
ycow [4]

Mole is base unit of substance. The number of particles in one mole is equal to 6.022 × 10²³. The number of particle in a mole is called as Avogadro's number.

The mole of substance is the amount of substance that contain elementary particles as the number of atoms. the symbol of mole is mol. it is the SI unit of amount of substance. The number particles are ion one mole of substances is 6.022 × 10²³. The number of particles in one mole of substance is called as Avogadro's number.

Thus, Mole is base unit of substance. The number of particles in one mole is equal to 6.022 × 10²³. The number of particle in a mole is called as Avogadro's number.

To learn more about moles here

brainly.com/question/26416088

#SPJ1

7 0
1 year ago
A 2.0-liter aqueous solution contains a total of 3.0 moles of dissolved NH4Cl at 25°C and standard pressure.
vladimir1956 [14]
The molarity is a concentration unit which defined as the number of moles of solute divided by the number of liters of solution. So the molarity of the solution is 3/2=1.5 mol/L.
7 0
2 years ago
Read 2 more answers
What is the frequency of an electromagnetic wave that has a wavelength of
Korolek [52]

➡ ANSWER

☑ <em><u>C</u></em><em><u>.</u></em><em><u> </u></em><em><u>3.5 105</u></em><em><u> </u></em><em><u>Hz</u></em>

3 0
2 years ago
Other questions:
  • What is the frequency of a wave traveling at 5,000 m/s with a wavelength of .002 m/cycle?
    10·1 answer
  • Suppose a platinum atom in the oxidation state formed a complex with two chloride anions and two ammonia molecules. Write the ch
    13·1 answer
  • What is the balanced equation when aluminum reacts with copper (ii) sulfate in a single displacement reaction?
    9·1 answer
  • Who was the first hispanic justice of the United States Supreme Court
    14·2 answers
  • I need to know the measurements of this to the appropriate amount of significant figures
    11·1 answer
  • Calculate the work engergy gained or lost by the system when a gas expands from 35 to 55 l against a constant external presure o
    5·1 answer
  • 10. Benzene deactivating group is:<br>a. -OH<br>b. --CH3<br>c. -C2Hs<br>d.-CI​
    15·1 answer
  • Prokaryotic and eukaryotic cells have many different characteristics. One difference
    10·1 answer
  • Check wether all the answers are correct or not. please?​
    14·2 answers
  • 2) How many moles of solute are present in 705. mL of a 0.525 M solution?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!