Chemistry, asked by abhishekbhattarai, 4 months ago

number of atoms present in 19.7 gm of gold

Answers

Answered by chrisjames55

Explanation:

The mass of gold =19.7 kg =19.7×1000 g =19700 g.

The atomic mass of gold is 197 g/mol.

The number of moles of gold

197g/mol

19700g

=100 mol.

The number of atoms of gold =100×6.02×10

=6.02×10

Previous Question

Next Question

Similar questions

Physics, 2 months ago

If vector P =6i + 8j and of Q =4i -3j ,then calculate the magnitude of P,Q,P+Q,P- Q,Q- P,P.Q ,P× Q...

English, 2 months ago

4) What is meant by the word 'withered'? a) Colourful b) Faded c) Broken d) Painted...

Math, 2 months ago

$\huge\mathfrak{ϙᴜᴇsᴛɪᴏɴ }$ $\implies \sf expansion \: of \: {(3x - 2y)}^{3} is$ Options :- $\rm \: (a)27 {x}^{3} - 8 {y}^{3} - 54 {x}^{2} y + 36x {y}^{2}$ $\rm \: (b)9 {x}^{2} + 8 {y}^{3} - 54 {x}^{2} y - 36x {y}^{2}$ $\rm \: (c)9 {x}^{2} - 8 {y}^{3} + 54 {x}^{2} y + 36x {y}^{2}$ $\rm \: (d)none \: of \: these$ ...

India Languages, 4 months ago

ਵਿਸ਼ਸ਼ਨ ਸ਼ਬਦ ਕਿਸ ਸ਼ਬਦਾਂ ਦਿ ਵਿਸ਼ੇਸ਼ਤਾ ਦਸਦੇ ਹਨ...

English, 4 months ago

Sue informed an artist ____about Johnsy's illness a. behrman b. leonardo dicaprio plzzz tell fast pplzzz i will mark you brainlist plzz...

Science, 10 months ago

why clouds are above and land is below...

Science, 10 months ago

Does white light show dispersion in air . give reason for your answer ? pls answer fast and clearly explain plsssss...

Math, 10 months ago

hi hello guys answer dedo...

number of atoms present in 19.7 gm of gold​

Answers

number of atoms present in 19.7 gm of gold