Answer:
a
. eight tenths of her cookies
Explanation:
Let the total number of Lakesha's cookies be represented by x.
So that;
She gave three tenths to Bailey = of x
=
She gave five tenths to Helen = of x
=
Fraction of Lakesha's cookies given away = +
=
=
Thus, the fraction of cookies given away by Lakesha is .
Answer:
771.15g of TiCl4
Explanation:
460 grams of sodium=20 mol
equation of the reaction is TiCl4+4NA=4NaCl+Ti
1 mol of titanium chlroide reacts with 4. that means there are 5 mols of titanium chloride
titanium chloride has a molar mass of 154.23 g.
mutiply that by 5 and we have 771.15 g