What is the solute in brass alloy containing 75% copper and 25% zinc%?

At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?

Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol

How do you calculate the mass of a product when the amounts of more than one reactant are given?