llowing equation to answer the questions…

9.0pt;line-height:115%;font-family: “Arial Unicode MS”,”sans-serif”;color:#222222;background:white’>The Mole & STOICHIOMETRY Study guide Use the following equation to answer the questions below NH.NO, + Na,PO. – (NH.),PO. + NaNO, a, Balance the equation above NH.NO, Na,PO- (NH3PO, NaNO, b. If you have 30 grams of ammonium nitrate(NH.NO,) and 50 grams of sodium phosphate (Na PO.), Which reactant is the limiting reactant and why? c. What is the maximum amount of (NH),PO, that can be made? D ] d. How much excess reactant will you have 0 2. For the balanced equation Caco, ? CaO+Cox, if the reaction of 20.7 grams of Caco, produces 6.81 grams of Cao. what is the percent yield? 3.5.96 g of ammonia (17.031 g/mol) react completely according to the following reaction: 2 NH (9) + CO,(9) CN, OH.(s) + H20(0) What is the theoretical yield of urea (CN,OH, 60.056) for this reaction? 4. A 1.50 g sample of hydrocarbon undergoes complete combustion to produce 4.40 g of Co, and 2.70 g of H.O. a. What is the empirical formula of this compound? b. In addition, its molecular weight has been determined to be about 78. What is the molecular formula?(study guide)
can anyone please help me with these 4 questions. Thank you!