Question

only legends can solve​

Answer 1

Answer:

1. A molecule is the smallest particle of a substance. It can be divided without changing its chemical nature. example - O2, H2, Cl2

2. Water has 18 grams per mole so 9 grams is 0.5 moles of water. There are 6. 022* 10^23 molecules in a mole.

3. The number of molecules in a single mole of any compound is given by Avoadro's constant, which is 6.023x10^23. There would be 6.023x10^23 molecules of ammonia in 17 grams of the substance.

Answer 2

Answer:

it is given in the page

Explanation:

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