A second person narrator tells an unidentified listener or reader what happened in a story, referring to all characters as he, she, or they. 

If 23.45 mL of 0.115 M NaOH are required to react with 10.00 mL of H2SO4 according to the reaction below, what must be the molarity of the acid?    HINT: M1V1/(M2V2) = n1/n2    2 NaOH   +  H2SO4  à  Na2SO4   +  2H2O(l)          

Molarity is defined as the number of _______ of solute per _______ of _______.

Which ion has this as its electron configuration?      1s22s2p63s23p63d8  Note the missing 4s electron(s).

What is the frequency (in 1/s or Hz) of orange light if the wavelength is 589 nanometers?  HINT: Watch your units and mathematical signs for exponents.  nu = c/lambda

Which of these has a polar covalent bond in the compound where electrons are shared, but not equally?

How many grams of NH4ClO3 are there in 253 mL of a 3.35 M solution? HINT: ONE MOLE OF ammonium chlorate =  _______ grams

How many grams of NH4ClO3 are there in 253 mL of a 3.35 M solution? HINT: ONE MOLE OF ammonium chlorate =  _______ grams

What is this statement called:  “Each orbital of a given sublevel must be occupied by a single electron having the same spin before pairing of the electrons begins.”

Which of these has a polar covalent bond in the compound where electrons are shared, but not equally?