If you react 31.61 mL of a solution of 2.3 M HNO3 with 38.0 mL of a solution of Ca(OH)2, what is the molarity of the base?

2HNO3 + Ca(OH)2 --> 2H2O + Ca(NO3)2

What is the composition, in atom percent, of an alloy that consists of 4.5 wt% pb and 95.5 wt% sn? the atomic weights for pb and sn are 207.19 g/mol and 118.71 g/mol, respectively.(a) 2.6 at% pb and 97.4 at% sn(b) 7.6 at% pb and 92.4 at% sn(c)97.4 at% pb and 2.6 at% sn(d) 92.4 at% pb and 7.6 at% sn

Wind and moving water provide energy. chemical mechanical thermal none of the above

How many liters of water can be produced from 5.0liters of butane gas at stp, assuming excess oxygen? c4h10(g) + 02(g) → co2 (e) + h2o (g)