How manyy grams of h2 are needed to react with 20 grams of o2. show work

Would it be 10, you know 1h for every 2o, H2O

answer; /// the amount of material dissolved in a measure of liquid(concentration) the above statement is (true); /// good luck

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.