Convert 10g of oxygen gas into no. of moles.

Number of moles = Given mass/ Molar mass
Given mass of oxygen =  10 g
Molar mass of oxygen =   32 g/mol
Number of moles = 10 /32
= 0.3125 mol
 Hence, there are 0.3125 moles of oxygen are present in 10 g of oxygen gas.

  • 6

MOLE=Mass/molar mass

= 1032

=0.3125

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