# Short-Questions

Fast solutions for complex problems

## How many atoms does 3al2o3?

Three Al2O3 A l 2 O 3 has 2*3 atoms of aluminium i.e. 6 aluminium atoms.

### How many atoms are in 5h2o?

The number before any molecular formula applies to the entire formula. So here you have five molecules of water with two hydrogen atoms and one oxygen atom per molecule. Thus you have ten hydrogen atoms and five oxygen atoms in total.

How many atoms are there in znso4?

Percent composition by element

Element Symbol # of Atoms
Zinc Zn 1
Oxygen O 4
Sulfur S 1

How many oxygen atoms are in 6H2O?

How many total atoms in (NH4)2cro4 . See the answer. 1 mole is equal to 1 moles (NH4)2Cr2O7, or 252.06492 grams. in 6H2O = 6 mol O atoms .

## How many atoms are in Mercury?

Mercury is a chemical element with the symbol Hg and atomic number 80.

### How many atoms are in an oxygen molecule?

Two oxygen atoms
Oxygen is found naturally as a molecule. Two oxygen atoms strongly bind together with a covalent double bond to form dioxygen or O2. Oxygen is normally found as a molecule.

How many total atoms are in 3nacl?

Composition of 3NaCl

Element Symbol # of Atoms
Sodium Na 3
Chlorine Cl 3

How many atoms are in 7nh3?

Explanation: each atom of ammonia is made up of three atoms of hydrogen which are joined by covalent bond to one of the atom of nitrogen. As a result of this each molecule of ammonia is composed of a total of four atoms.

## Why NiSO4 is green while ZnSO4 is white?

Answer to Question #178467 in Inorganic Chemistry for swarnajeet kumar. Explain why NiSO4 is green while ZnSO4 is white. Zinc sulphate has no unpaired electrons so energy is not able to excite the electrons. Hence, it cannot undergo d-d transition and shows no colour.

### What is the Colour of ZnSO4?

The color of ZnSo4 remains colorless and zinc metal settles down in the bottom of the beaker. The reason behind color changes is Al displaces the metal copper, iron, and zinc from the salt.

How many atoms of oxygen are in 3o2?

it contains 2 atoms of hydrogen(H) and 1 atom of oxygen(O). So in total there are 3 atoms.

How many atoms are in 3H2O?

For example, 3H2O means there are 3 molecules of H2O. See Fig. 2 for the pictorial representation of 3H2O. As you can see, there are 3 Oxygen atoms and 6 oxygen atoms.