3. How many mL of 0.383 M HCl are needed to react with 16.2 g of CaCo3? 2HCl(aq) + CaCO3(s) → CaCl2(aq) + CO2(g) + H2O(1)

How many grams of mgbr2 are needed to produce 75g or metal?

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.

Suppose you mix one mole of sulfuric acid (h2so4) with 1 mole of sodium hydroxide(naoh). why does the ph of the solution remain below 7? ( explain so i can get better understanding! )