The mass percentage of sodium hydroxide in a solution prepared by dissolving 8g of NaOH in 50g of water is  1_ 0.138%
2_ 10.2%
3_ 13.8%​

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

Light waves can move through , but they travel fastest when they move through a(n) .