The product of the malachite synthesis is a mixture of malachite (57.48% copper by mass) and copper(II) hydroxide (65.14% copper by mass). If a student sample contains 61.67 % copper, what is the percent of malachite in the student's product mixture?

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?