Chemistry, asked by gurleen1179, 1 year ago

How to calculate the mass of 4 mole of oxygen gas?

Answers

Answered by kartiksingh9854

6

mass= no. of mole×molar mass

...... O gas = 16×2=32u

mass= 4×32=128u.

Explanation:

mass=4×32=128

Answered by laibashahid37

1

Answer:

128

data

number of moles 4

mass of substance ?

formula mass of O2 32 a.m.u

solve

number of moles = mass of substance ÷ formula mass

4=mass ÷ 32

4×32

mass =128g

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