3KOH+H3PO4⟶K3PO4+3H2O   how many grams of phosphoric acid, H3PO4, are needed to react completely with 77.7 g of potassium hydroxide, KOH

For the reaction represented by the equation SO3+H2O-->H22SO4 how many grams of sulfuric acid (H22SO4) can be produced from 197 g of water and 460g of sulfer trioxide?

What is the theoretical yield, in grams, of aspirin ( C 9 H 8 O 4 ), which has a molar mass of 180.15 g/mol, possible when reacting 3.15 g of salicylic acid with 3.52 mL of acetic anhydride?

For the reaction 2AgNO3+Na2CrO4⟶Ag2CrO4+2NaNO32   how many grams of sodium chromate, Na2CrO4, are needed to react completely with 75.375.3 g of silver nitrate, AgNO3?

Suppose a student starts with 2.3935 g of a sand mixture and separates the components into 1.3012 g of NaCl, 0.5683 g of SiO2, and 0.4503 g of CaCO3. Based on the amount of recovered, what is the percent of SiO2 in the starting mixture?

Based on the balanced reaction: 6 CO2 + 6 H2O→ 6 O2 + C6H12O6, what is the maximum number of grams of C6H12O6 that could be made by the reaction of (5.88x10^1) g of CO2 and excess water?

Morphine (C₁₇H₁₉NO₃) is a painkiller in the opiate family. A sample of morphine was discovered that had been diluted by mixing with table salt (sodium chloride). When 2.00 g of the mixture undergoes combustion, 3.97 g of CO₂ is produced. What is the mass percent of morphine in the mixture?

According to the following reaction, how many moles of hydrofluoric acid will be formed upon the complete reaction of 0.823 moles silicon tetrafluoride with excess water? SiF2(s)+2H2O(l) ----> 4HF(aq)+SiO2(s)

Chemical Reactions of Copper and Percent Yield 5. Molarity, abbreviated M, is defined as the concentration of a solution expressed as moles of solute per liter of solution. How many milliliters of 4.00 M H₂SO4 are required to react with 1.60 g of CuO according to Equation [4]? WEW Tradnost bes Ismos brit od 300 6. If 2.00 g of Zn is allowed to react with 2.00 g of CuSO4, according to Equation [5], how many grams of Zn will remain after the reaction is complete?

O 000 How many grams of HCl can react with 0.750 g of Al(OH)3 according the following balanced equation? Molar masses: Al(OH)3= 78.01 g, AICI3= 133.33 g, HCI= 36.46 g Al(OH)3(s) + 3 HCI (aq) --> AICI3(aq) + 3 H2O 3.85 g 1.05 g 0.0288 g 1.32 g