Show You Know It: Mole Relationships

How many moles of alanine, C3H7NO2, are there in 159g of alanine? Alanine's molar mass is 89.1g/mol

022 x 1023 for Avogadro's number

Number

• Molar Mass

Mes

Element 1 has 1 valence electron, element 2 has 2 valence electrons, element 3 has 3 valence electrons, element 4 has 4 valence electrons, which is the least reactive? A. Element 1 B. Element 2 C. Element D. Element 4

A primary source of hydrocarbons is:

Can Neon form any compounds?

What happens in reactions that take place under ideal conditions

Enter your answer in the provided box. in a 0.740 m solution, a weak acid is 12.5% dissociated. calculate ka of the acid.

Do pure substances have the same chemical and physical properties

How is matter conserved in a chemical reaction

Define Percent transmittance

Express (3 x 104) (4 x 1023) in scientific notation

The theoretical yield of aspirin in a reaction is 721 g. What is the percent yield if 461 g is produced?