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
Aloiza [94]
3 years ago
8

How many molds of atoms are there in each compound ? 1. Al2S3 2. NaNO3 3. Ba(OH)2

Chemistry
1 answer:
Snezhnost [94]3 years ago
6 0
1) 2 mol of Al; 3 mol of S

2) 1 mol Na; 1 mol N; 3 mol O

3) 1 mol Ba; 2 mol O; 2 mol H
You might be interested in
What volume of water has the same mass as 9.0m3 of ethyl alcohol?
Triss [41]
This question requires the knowledge of density. 

The density of ethyl alcohol = 789 kg m⁻³
The density of water = 1000 kg m⁻³

Density = Mass / Volume 

By applying ethyl alcohol,
    789 kg m⁻³ = Mass / 0.9 m³
         Mass     = 710.1 kg
hence the mass of 0.9 m³ ethyl alcohol is 710.1 kg.

Then by applying water,
     1000 kg m⁻³ = 710.1 kg / Volume
      Volume        = 0.7101 m³
                          = 0.7 m³
hence the equal water volume is 0.7 m³
8 0
3 years ago
The removal of one or more electrons from a neutral atom results in and
Studentka2010 [4]

Answer:

The removal of one or more electrons from a neutral atom results in a cation.

Explanation:

When you remove electrons from a neutral atom, the atom becomes more positive. Electrons have a negative charge and the protons inside of the nucleus have a positive charge. When electrons are removed, the positive charges from the protons outweigh the negative charges. This results in a positively charged atom, called a cation.

6 0
1 year ago
A researcher measures the equilibrium separation between two flat hydrophilic mica plates in a solution of non-ionic surfactant.
svet-max [94.6K]

Answer:

See explaination and attachment

Explanation:

please kindly see attachment for the step by step solution of the given problem.

3 0
3 years ago
what is the relationship between electron affinity and atomic radius? why do you think this relationship occurs?
tatyana61 [14]
Electron affinity increases from left to right within a period. This is caused by the decrease in atomic radius. Electron affinity decreases from top to bottom within a group. This is caused by the increase in atomic radius.
8 0
2 years ago
What is the concentration of h+ ions in a solution of hydrochloric acid that was prepared by diluting 35.0 ml of concentrated (1
Alekssandra [29.7K]
Hydrochloric acid ionisation is as follows;
HCl ---> H⁺ + Cl⁻
HCl is a strong base so there's complete dissociation of acid to H⁺ ions
The number of HCl moles is equivalent to number of H⁺ ions present
1 L of solution contains - 11.6 moles of H⁺ ions
In 35 ml number of moles - 11.6 mol/L / 1000 ml x 35 ml = 0.406 mol
This number of moles are dissolved in 500 ml 
therefore molarity = 0.406 mol /500 ml x 1000 ml = 0.812 M
4 0
3 years ago
Other questions:
  • If you are mixing a solution in a spray bottle with 15 oz of water how much chlorine do you need to add for the correct ratio
    9·1 answer
  • Phthalates, BPA, PFOA, and Atrazine are chemicals that don't degrade rapidly, and they are readily taken up by cells in the body
    6·1 answer
  • What is a supersaturated solution?
    13·1 answer
  • Consider the n = 3 energy level in a hydrogen atom. how many electrons can be placed in this level?
    5·2 answers
  • A piece of silver metal has a mass of 3.687 grams. If the density of silver is 10.5 g/cm, what is the volume of the silver?​
    8·1 answer
  • When 2.35 g of potassium reacts with excess water, what mass of hydrogen gas is formed?
    14·1 answer
  • An organelle that is not found in this illustration of a cell would be
    14·2 answers
  • Why is thermal energy from the sun transferred to Earth through electromagnetic waves, instead of any other type of thermal ener
    9·1 answer
  • a sample of gold is heated from 12 degrees to 28 degrees celsius and absorbs 460 joules of energy. What is the mass of gold?
    11·1 answer
  • True or false<br> sugar melting an example of oxidation<br> and <br> water evaporating
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!