Write the formulae for the following and calculate the molecular mass for each one of them, a) Baking powder

b) Quick lime

c) Common salt

(Given atomic masses: Sodium= 23u, Chlorine= 35.5u, Carbon= 12u, Oxygen = 16u,

Calcium= 40u)

What is the mass of 4 molecules of co2

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form