A drop of water of 1.8 gm weight has 60,230,000,000,000,000,000,000 mo – InterviewSolution

1.

A drop of water of 1.8 gm weight has 60,230,000,000,000,000,000,000 molecules. Express it in standard form.

Answer»

Number of molecules in a dot of water of weight 1.8 gm

= 60. 230, 000, 000, 000, 000, 000, 000

= 6.023 x 1000000000000000000000

= 6.023 x 10²²

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