Consider the balanced reaction below:
2Na + 2H2O → 2NaOH + H2
How many moles of sodium
hydroxide (NaOH) will be produced
from the complete reaction of 15.0 g
sodium?

Sylvanite is a mineral that contains 28.0% gold by mass. how much sylvanite would you need to dig up to obtain 77.0 g of gold? explain how you got your answer and the steps you took. you

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

What is the main reason why some developing countries fear the increase the free trade policies around the world?