2 Al + 6 HBr --> 3 H2 + 2 AlBr3 If 16.5g of aluminum reacts with 21.2g of HBr, how many grams of aluminum bromide will be produced?

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process

What is the empirical formula of a compound that is 50.7% antimony and 49.3% selenium ?