What's molar mass? For chemistry

If you had 0.681 moles of caso4.2h2o, how many moles of h2o would you have?

1. W wyniku reakcji chemicznej 30 g glinu z tlenem powstało 84 g tlenku glinu. Oblicz, ile gramów tlenu wzięło udział w tej reakcji chemicznej. 2. W wyniku rozkładu 46 g wody otrzymano 6 g wody i wodoru.

What is a pentadihide?

A sample of 51.0 g of ammonia was reacted with excess copper oxide. How many moles of nitrogen would be produced? 2NH₃ (g) + 3CuO (s) → 3Cu (s) + 3H₂O (l) + N₂ (g) A. 1.0 mole B. 1.5 mole C. 2.0 mole D. 2.5 mole

Where is most of Earth's fresh water found?

What is the empirical formula of a substance that is 53.5% C, 15.5% H, 31.1% N?

What is the lowest layer of the atmosphere and what is its highest altitude?

An atom that has 84 protons and 86 neutrons undergoes a reaction. At the end of the reaction, it has 82 protons and 84 neutrons. What happened to the atom?

A compound of material formed by a chemical is known as?

Which of these molecules experience london dispersion force?