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Alkaline boric acid (Na20-B203) glass is decomposed and melted at 900C or higher using Na2CO3 and B203 as raw materials (Na2C03 decomposes into CO2 and

Alkaline boric acid (Na20-B203) glass is decomposed and melted at 900C or higher using Na2CO3 and B203 as raw materials (Na2C03 decomposes into CO2 and Na20).

If the composition of glass is expressed as

Na20-yB203, x:y is the molar ratio of each oxide.

Calculate the weight of Na2CO3 and B203 required to produce glass with xy at

3.00:7.00 and the total amount at 2.00 g.

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