How many grams are there in 2.30x10^24 atoms of silver?

What is the percent composition of ca(oh)2? 37.7% ca, 53.0% o, and 10.3% h 45.5% ca, 38.2% o, and 16.3% h 54.0% ca, 43.0% o, and 2.7% h 64.7% ca, 27.0% o, and 8.3% h

If two objects at different te,peraure are in contact with each other what happens to their temperature

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+