The percentage composition of this compound : 40%Ca, 12%C and 48%O
<h3>Further explanation</h3>
Given
20.0 g of calcium,
6.0 g of carbon,
and 24.0 g of oxygen.
Required
The percentage composition
Solution
Total mass of compound :
=mass calcium + mass carbon + mass oxygen
=20 g + 6 g + 24 g
=50 g
Percentage composition :
Answer:
The elements of group 0 are referred to as noble or inert gases because they're so "majestic" that, generally, they don't react with anything and we're believed to be rare elements e.g Neon, argon, krypton, xenon and radon.
Explanation:
A cheerful teen willing to help,
stay positive,
stay salty...
believe the answer is c. A and D are just mixing solutions. B is a change in state not chemicals. And E doesn't change the compounds
Answer:
Please mark me brainliest. the answer is
Explanation:
The problem is that the desalination of water requires a lot of energy. Salt dissolves very easily in water, forming strong chemical bonds, and those bonds are difficult to break. Energy and the technology to desalinate water are both expensive, and this means that desalinating water can be pretty costly.
You cannot create or destroy mass so the answer is A. Mass is conserved through any change of state.
