A certain rock has a mixture of several different elements. It contains 33g of zinc, 22g of iron and 16g of oxygen. What percentage of the rock, by mass, is zinc?

Zinc is available in capsules, tablets, creams, ointments, and a liquid form. Adults aged 19 years and over who are interested in using zinc supplements should be careful to consume no more than 40 mg per day. Too much zinc can cause health problems.

Ithe undersigned only for use your own email and delete any and copies and of the itself and to be there is a good timewhat does a decrease in temperature indicate about the molecules in a sample of liquid water? decreased chemical energy of the moleculesdecreased kinetic energy of the moleculesincreased chemical energy of the moleculesincreased kinetic energy of the moleculeshow does a sample of helium at 15 â°c compare to a sample of helium at 215 k? the helium at 15 â°c has a higher average kinetic energy than the sample at 215 k.the helium at 15 â°c has lower nuclear energy than the sample at 215 k.the helium at 15 â°c has slower-moving atoms than the sample at 215 k.the helium at 15 â°c has smaller atoms than the sample at 215 k.