Given: na2sio3 (s) + hf(aq) h2sif6 (aq) + 2 naf (aq) + 3 h2o (i). how many moles of hf are needed to react with 0.9300 mol of na2si03

Why does a cake rise when you bake it? ♡

Once similarity and one difference between a mixture of elements and a mixture of compounds

Apropane torch is lit inside a hot air balloon during preflight preparations to inflate the balloon. which condition of the gas remains constant