abikeakinsola2007 abikeakinsola2007 02-02-2024 Chemistry contestada 1. 2g of a mixture of Na₂CO3 and NaCl were dissolved in a 250cm³ standard flask. 25cm³ portions of this olution required 26.6cm³ of 0.100mol dm³ HCl for neutralization. What is the percentage by mass of Na2CO3 in the mixture?