Tiwari Academy Discussion

Daksha Singh

Asked: October 28, 2020In: Class 9

What is the mass of:?

NCERT Solutions for Class 9 Science Chapter 3 Atoms And Molecules NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-44 Questions No-9 What is the mass of:? (a) 0.2 mole of oxygen atoms? (b) 0.5 mole of water ...

Daksha Singh

Asked: October 28, 2020In: Class 9

Calculate the number of molecules of Sulphur (S8) present in 16 g of solid Sulphur.

NCERT Solutions for Class 9 Science Chapter 3 Atoms And Molecules NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-44 Questions No-10

Daksha Singh

Asked: October 28, 2020In: Class 9

Calculate the number of aluminum ions present in 0.051 g of aluminum oxide. (Hint: The mass of an ion is the same as that of an atom of the same element. Atomic mass of Al = 27 u)

NCERT Solutions for Class 9 Science Chapter 3 Atoms And Molecules NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-44 Questions No-11

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