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- What coefficients must be placed in the following blanks sothat all atoms are accounted for in the products?C6H12O6 S _________ C2H6O + _________ CO2(A) 2; 1(B) 3; 1(C) 1; 3(D) 2; 2Table salt (sodium chloride) is made up of sodium and chlorine. We are able toeat the compound, showing that it has different properties from those of a metal(sodium) and a poisonous gas (chlorine).Lemon juice contains citric acid (C6H8O7). What speciesserves as a base when lemon juice is mixed with bakingsoda (sodium hydrogen carbonate) during the preparationof some lemon cookies?
- Calculate the molar mass of each of the following compounds:(a) Calcium carbonate, CaCO3 (b) Urea, CO1NH222 (c) Ethane-1,2-diol, C2H6O2How many grams of CH3OH can be made from 10.0 g of CO if it all reacts?The reaction quotient is Q=1.6×10-26 Part B What pH is needed to produce this value of Q if the concentration and pressure values are [Br2]=2.50×10−4M , [Br−]=11.65M, [SO42−]=9.50M, and PSO2=3.50×10−5atm ? Express your answer numerically to two decimal places.
- How many total atoms are in (NH4)3PO4When copper and sulfur react, two products are possible: copper(I) sulfide, Cu2S, and copper(II) sulfide, CuS. A scientist hypothesizes that holding a loop of thin copper wire in the vapour from boiling sulfur will produce pure Cu2S when the copper and sulfur react. Suggest what measurements, related to mole ratios, the scientist should make to test this hypothesis.How many total atoms would be in one formula unit of (NH4)3PO4? 20, 4, 18, 16
