Chemistry, asked by Shashank1128, 1 year ago

How many atoms are there in 1gm of water

Answers

Answered by kithu3
1
It is equal to Avogadro's number (NA), namely 6.022x1023. If we have one mole of water, then we know that it will have a mass of 2 grams (for 2moles of H atoms) + 16 grams (for one mole O atom) = 18grams. Since we only have 0.001 grams, that means that we have NA * (0.001/18) = 3.35*1019 molecules of water
Answered by BhawnaAggarwalBT
1
H2O
total atomic mass =
1×2 + 16×1
2+16
18 grams
according to Avogadro number there are 6.022 × 10^23 in 18 gram of water
total atoms in 1 gram of water = 6.022×10^23/18
= 0.334555556 × 10^23
= 3.34555556 × 10 ^22 atoms total

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