A 150 mL sample of hydrochloric acid (HCl) completely reacted with 60.0 mL of a 0.100 M NaOH solution. The equation for the reaction is given below. HCl NaOH NaCl H2O What was the original concentration of the HCl solution?

Correct relationship between molecular formula and empirical formula

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %

Afusion reaction takes place between carbon and another element. neutrons are released, and a different element is formed. the different element is a) lighter than helium.b)heavier than helium.c)the same weight as helium.d)dependent on the element that reacted with carbon.