A 25 mL volume of HCN neutralizes 31 mL of 0.30M NaOH. What is the molarity of HCN?

Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

Which element is least likely to undergo a chemical reaction