How many grams are in 0.500 liters of SBr6?

Please show work if possible or say how to do it

Cucl2 + 2nano3 cu(no3)2 + 2nacl what is the percent yield of nacl if 31.0 g of cucl2 reacts with excess nano3 to produce 21.2 g of nacl? 49.7% 58.4% 63.6% 78.7%

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block

Helium decays to form lithium. which equation correctly describes this decay?