How many grams of na2so4 will be formed
50.0 mL of 2.00 M H2SO4 react with 75.0 mL of 2.00M NaOH. Identify the limiting and excess reactants. How many grams of Na2SO4 will be formed.
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Gas tank holds 42kg of gasoline. When gasoline burns, 147kg og oxygen are consumed and carbon dioxide and water are produced. What is the total combined mass of carbon dioxide and water that is produced?
A testing facility found that 8.35*10^23 molecules of carbon dioxide were produced when a sample of octane was burned in air. If this combustion process is known to produce an 86.7% yield, how many grams of octane were in the sample?
The daily output of stomach acid (gastric juices) is 1000mL to 1400 mL. Prior to a meal, stomach acid HCl typically has a pH of 1.42.
An empty vial has a mass of 67.77 g. If the vial has a mass of 244.56 g when completely filled with liquid carbon terachloride (d = 1.59 g/cm3), what is the volume of the vial?
The empirical formula for acetic acid is CH2O. Its molar mass is 60 g/mol. The molecular formula is
A 25.0 mL sample of river water was titrated with 0.0010 M Na2Cr2O7 and required 8.3 mL to reach the end-point. What is the chemical oxygen demand, in milligrams of O2 per liter, of the sample?
If 200 ml of gas at 400 torr is transferred to a 20.0 ml cotnainer. What will the new pressure be if the temperature is kept constant?
A 0.21L sample of hydrogen gas is collected over water. The reaction that allowed the gas to be liberated was between Mg ribbon and 3M HCl. If the starting conditions were at STP with 0.58g of Mg and 10 mL of the HCl.
The standard enthalpy of combustion of ethene gas [C2H4] is -1411.1 kJ/mol at 298 K. Given the following enthalpies of formation, calculate delta Hf (final enthalpy) for C2H4.
What are the steps to calculate the following: How many grams of barium sulfate are produced if 25.34 mL of 0.113 M BaCl2 completely react given the reaction.
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