Which is the formula mass of Na₂SO₄? *

1. 119 amu

2. 125 amu

3. 142 amu

4. 174 amu

What are the three isomers of pentane?

Select two statements that describe how elements in the same group are similar to each other. Remember to select two answers A: Elements in the same group share the same number of valence electrons.

What does each component of the punnet square represent

What is the equation form of the ideal gas law?

Calculate the mass of CO2 produced from the complete combustion of 1.00g of C2H2. How do you do this?

Which factor is responsible for the weak attraction between diatomic molecules of the halogens (group 7A) ? A) Hydrogen bonding B) Ionic bonding C) Dipole interactions D) London dispersion forces

Which is the correct equation for refractive index?

Alcl3) and lithium sulfate (li2so4) (note - this is a double replacement reaction. you need this information to predict the products of the reaction)

Which type of bond is present in hydrogen sulfide (H2S) ? The table of electronegativities is given.

What is the oxidation state of S in HSO4^2-?