Define grading with reference to seam allowances. !

Consider the balanced equation below. n2h4 + 2h2o2 n2 + 4h2o what are the mole ratios of hydrazine (n2h4) to hydrogen peroxide (h2o2) and hydrazine to water? 1: 2 and 1: 4 1: 3 and 1: 4 1: 2 and 3: 5 1: 3 and 3: 5

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

To calculate the molarity of a solution, you need to know the moles of solute and the