Chemistry, asked by jadencod04, 2 months ago

how many atoms are there in 20g of calcium

Answers

Answered by Swapnilbro

0

Answer:

moles of Ca=weight in gram/molar mass

=20/40

=1/2 moles

1 moles of any atom contains 6.023x10²³ atoms

so 1/2moles contain 3.011x10²³ atoms

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