Answer:
Diastereomers can have different physical properties and reactivity. They have different melting points and boiling points and different densities.
Answer:
17.46× 10²³ molecules
Explanation:
Given data:
Mass of acetic acid = 172.90 g
Number of molecules = ?
Solution:
First of all we will calculate the number of moles of acetic acid :
Number of moles = mass / molar mass
Number of moles = 172.90 g/ 60.1 g/ol
Number of moles = 2.9 mol
Now the given problem will solve by using Avogadro number.
The number 6.022 × 10²³ is called Avogadro number.
1 mole = 6.022 × 10²³ molecules
2.9 mol × 6.022 × 10²³ molecules / 1 mol
17.46× 10²³ molecules
Avogadro number:
It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.
Answer:
hi
Explanation:
protons,electrons and neutrons form atoms and
atoms form molecules
have a nice day
1.16 g of UF₄ can be formed in this reaction.
<u>Explanation:</u>
We have to write the balanced equation of the reaction between Uranium oxide and hydrogen fluoride to form Uranium tetra fluoride and water as,
UO₂(s) +4 HF(aq) → UF₄ + 4 H₂O(l)
We can find the moles of UF₄ and then multiplying molar mass of UF₄ with the moles of UF₄, we will get the mass of UF₄ in grams.
Moles of UF₄ = 
= 0.00370 mol UF₄
Grams of UF₄ =0.00370 mol × 314.02 g/mol = 1.16 g of UF₄
So mass of UF₄ formed in the reaction is 1.16 g.
