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
adell [148]
3 years ago
10

How many moles of hydrogen gas will be produced when 12 g of Mg will react completely with excess of an acid according to the fo

llowing reaction? 2 Mg + 2 HCI — 2 MgCl2 + H,
Chemistry
1 answer:
lina2011 [118]3 years ago
7 0

Answer:

0.49 mol

Explanation:

Step 1: Write the balanced equation

Mg + 2 HCI ⇒ MgCl₂ + H₂

Step 2: Calculate the moles corresponding to 12 g of Mg

The molar mass of Mg is 24.31 g/mol.

12g \times \frac{1mol}{24.31g} = 0.49mol

Step 3: Calculate the moles of H₂ produced by 0.49 moles of Mg

The molar ratio of Mg to H₂ is 1:1. The moles of H₂ produced are 1/1 × 0.49 mol = 0.49 mol.

You might be interested in
In the word, thermohaline, thermo means _________ and haline means_____________
sp2606 [1]

Answer:

Thermo means heat/related to heat and haline means salty/of salt

4 0
2 years ago
What must be true of the net charge for any sample of sodium chloride
Ede4ka [16]

Answer:

Zero (0)

Explanation:

Since Na^+ has a charge of +1 and Cl^- has a charge of —1 in NaCl

Then the net = +1 —1 = 0

4 0
3 years ago
Read 2 more answers
Help? for me? yes? please?
Sladkaya [172]

Answer:

2 Mg + O2 -> 2 MgO

is a synthesis reaction.

6 0
3 years ago
Please help! <br> Fe2O3 + C → CO + Fe
Sunny_sXe [5.5K]
Fe2O3 + 3C → 2Fe + 3CO :)
3 0
1 year ago
Which of the following nuclei would be the least stable
Brut [27]

Answer:

C. 1 proton 3 neutrons

Explanation:

A nucleus is more stable if the ratio of the neutrons to protons is between 1:1 and 1:1.5.

Thus the ratios of neutrons to protons for  the nuclei are as follows

A- 1:1

B- 1:1

C- 1:3

D- 1:2

Among these ratios, C is the greatest thus the nucleus is the least stable.

6 0
3 years ago
Read 2 more answers
Other questions:
  • Match the term with its description.
    10·1 answer
  • MATCH
    15·2 answers
  • Historically the troubadour was a ____.
    10·1 answer
  • Identify the structure of a minor product formed from the radical chlorination of propane, which has molecular formula C3H6Cl2 a
    15·1 answer
  • No matter how much water a human drinks, the kidneys are always regulating various aspects of the blood, including _____________
    6·1 answer
  • A purified protein has a molecular mass of 360 kDa when measured by size exclusion chromatography. When analyzed by gel electrop
    6·1 answer
  • Covalent bonds form due to the attraction between _____.
    13·1 answer
  • From E=mc²=hv show that wavelength=h/mv​
    9·1 answer
  • Draw the structure of the major organic product(s) for the following reaction between an acetylenic anion and an alkyl halide. (
    9·1 answer
  • WILL MARK BRAINLIEST IF YOU ANSWER EVERY QUESTION!!!!
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!