What is the mass of nitrogen in c7n3o6?

a)84.0g
b)96.0g
c)42.0 amu
d)222.0amu

The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide

The lab procedure involves several factors, listed below some were variable and some were constant. label each factor below v for variable ot c for constant

Amatch has about 21 milligrams of red phosphorus coating the tip. how many atoms of phosphorus is this?