Using the following balanced chemical equation, 2 H2 + 1 O2 ---> 2 H2O1
How many grams of water (H201 ) would I produce if I used 0.450 moles of O2?
0.450g
O 0.900g
08.10g
16.29
18.0g

Which is true about metals used for jewelry, such as platinum and gold? a. they have low flammability. b. they have low reactivity. c. they have high flammability. d. they have high reactivity.