if mole fraction of water in aqueous solution of cacl2 is 0.9 what is

1.	if mole fraction of water in aqueous solution of cacl2 is 0.9 what is the mass of solution???? ( molar mass of cacl2 is 111)
Answer» As per the FORMULA X1+X2= 1 Here X1 REPRESENTS MOLE fraction of solvent and X2 represents mole fraction of solute X1 =0.9 then X2=0.1 If mass of water is 100g and molar mass is 18 Moles 1=100/18=5.55 X1=moles 1/total moles Total moles = 5.55/0.9=6.17 X2= moles 2/ total moles Moles 2=0.1×6.17=0.617 Moles 2= weight /molar mass Weight=0.617×111=68.5g I hope this HELPS ( ╹▽╹ )

if mole fraction of water in aqueous solution of cacl2 is 0.9 what is the mass of solution???? ( molar mass of cacl2 is 111)

Answer»

As per the FORMULA

X1+X2= 1

Here X1 REPRESENTS MOLE fraction of solvent and X2 represents mole fraction of solute

X1 =0.9 then X2=0.1

If mass of water is 100g and molar mass is 18

Moles 1=100/18=5.55

X1=moles 1/total moles

Total moles = 5.55/0.9=6.17

X2= moles 2/ total moles

Moles 2=0.1×6.17=0.617

Moles 2= weight /molar mass

Weight=0.617×111=68.5g

I hope this HELPS ( ╹▽╹ )