The mass of the products in a reaction is always when compared to the mass of the reactants in a reaction. greater lower equal inversely proportionate

An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.

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

If maltose undergoes hydrolysis what subunits does it results to?