What is oxidation state of Ruthenium?

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

How do you lengthen a pattern piece? (family and consumer science, sewing)