Question

calculate the mass of 3.011×10^24 molecules of water​

Answer 1

Answer:

Answer is 90 gram.

Explanation:

No. of molecules = given mass / molar mass × Avagadro no.

3.011× 10²⁴ = mass / 18 × 6.022× 10²³

3.011 × 10²⁴/ 6.022 × 10²³ × 18 = mass

1/2 ×10×18 = mass

90 gram = mass

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