So the GFM of O2 is 32.00g/mol
If we have 1 mole of O2 we have 32.00g
32.00g/22.4L = 1.42857… aprox. 1.43g/L
Sorrr I’m not quite sure where PV=nRT comes in
First you have to divide it by seven and then with the numbers do you have to put in the first quiz and then you have to add it on
<h3>
<u>Answer:</u></h3>
<u>1 mole of a gas at STP occupies 22.4 L volume </u>
<u>Now the volume is given =78.4 therefore,</u>
<u>No. of moles of gas = 78.4 ÷ 22.4 = 3.5 moles</u>
<u>I hope it helps you~</u>
NaCl would form because it’s a single replacement reaction
Subsoil is the layer of soil under the topsoil on the surface of the ground.