18. How many liters of oxygen are needed to produce 34.0 g of water? Assume STP. a. 42.3LO
b. 21.1 LO
c. 21 LO
d. none of the above

What is the molar mass of potassium nitrate, kno3

Pls ill give u brainliest which of the following is true about science? 1. political conditions are unable to influence it. 2. economic concerns may prevent it from solving problems.

If it is an isoelectronic series select true, if not select false. o2-, s2-, se2-, te2- na+, k+, rb+, cs+ n3-, p3-, as3-, sb3- ag, cd+, sn3+, sb4+ f-, cl-, br-, i- f-, ne, na+, mg2+ s2-, s, s6+