A sample of ore is found to be 0.0015% silver and
0.034 % copper. What is the percentage of matter in the
that is neither silver nor copper? Round your answer to the nearest ten thousandth.

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring