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
aniked [119]
3 years ago
14

n the reaction Mg (s) + 2HCl (aq) H2 (g) + MgCl2 (aq), how many moles of hydrogen gas will be produced from 75.0 milliliters of

a 1.0 M HCl in an excess of Mg?
Chemistry
1 answer:
Xelga [282]3 years ago
8 0
0.075 L * 1.0 M = 0.075 mol HCl
H2 is half of HCl by the coefficients divide 0.075 by 2 and get 0.0375 mol H2 gas
You might be interested in
What does the atomic number tell you about the element
jonny [76]
It tells you how many protons it has and because the number of protons =electrons it tells you also the number of electrons.
4 0
2 years ago
'Suppose you take 0.0332 kg of ammonium carbonate and dissolve it using 0.0395 kg of water. What would be the mass percent conce
VMariaS [17]

The solution is 45.7 % (NH₄)₂CO₃ by mass.

Mass of solution = 0.0332 kg + 0.0395 kg = 0.0727 kg

% (NH₄)₂CO₃ = Mass of (NH₄)₂CO₃/Total mass × 100 % = 0.0332 kg/0.0727 kg × 100 % = 45.7 %


8 0
3 years ago
CAN YALL HELP A MANS OUT FOR A QUESTION?
Degger [83]
The answer is
b. mantle
3 0
3 years ago
I am having trouble predicting this equation. "Coke will reduce hot arsenious oxide to pure arsenic (As4). With the 4 as the sub
Rudik [331]
Well, Coke is just carbon in chemical reaction, so I think you get: 3 C + 2 As2O3--> 4 As + 3 CO2. Hope this helps! :)
7 0
3 years ago
Please Answer ASAP !
amid [387]

Answer:

2.0x 10-2M

Explanation:

x2/[2.0x10-2]2 [1.0x10-2] =100

5 0
3 years ago
Other questions:
  • Organize the following atoms according to increasing number of orbitals surround the nucleus: Rubidium (Rb), Phosphorus (P), Neo
    15·1 answer
  • Do all systems have energy?
    5·1 answer
  • Please help :) brainliest and +10 pts
    6·2 answers
  • What characteristic of a solid is most responsible for their structure
    14·1 answer
  • The scientific method is great, but how do you think we answer the questions which cannot be tested with an experiment?
    10·2 answers
  • The Doppler. Effect indicates that the universe is expanding because
    13·2 answers
  • Due Today!!!
    6·1 answer
  • LOTS OF POINTS (75) I WILL GIVE BRAINLIEST!!!!!
    6·1 answer
  • Plz help..<br> How to name alcohols...
    9·2 answers
  • 15 POINTS AND BRAINLIEST
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!