what is the mass of carbon on the weighing dish? assume that the dish has a mass of exactly 1.0g.
a) 4.52g
b) 4.55g
c) 4.57g
d) 4.72g

Given sno2 + 2h2 - sn + 2h20 tin oxide reacts with hydrogen to produce tin and water. how many moles of sno2 are needed to produce 500.0 grams of sn?

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

All cells are made of four types of acids, lipids, proteins, and carbohydrates.