Question

4. What will be the mass of 0.3 mole of HNO3 ?​

Answer 1

Answer:

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Step-by-step explanation:

the formula of nitric acid is HNO3

Molar mass of HNO3=mass of H+mass of N+3×mass of O

Molar mass =1+14++3×16

Molar mass = 15+48

Molar mass=63

Mass =mole×molar mass

Mass = 0.3×63

Mass =18.9g

Answer 2

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