Saimon
contestada

Sand, also known as silicon dioxide, is the main component of glass. If a glass blower used 10 kg of sand, combined with .5 kg of sodium carbonate and 1.5 kg of calcium oxide to produce a glass bowl with a mass of 9 kg, how much material was wasted?
A)
2 kg


B)
3 kg


C)
12 kg


D)
21 kg