1- Write the equilibrium constant expression for this reaction:
NH3(aq)+H+(aq)→NH+4(aq)
2- A chemist prepares a solution of zinc oxalate ZnC2O4 by measuring out 1.6mg of zinc oxalate into a 500.mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's zinc oxalate solution. Round your answer to 2 significant digits.
3- Wine goes bad soon after opening because the ethanol CH3CH2OH dissolved in it reacts with oxygen
O2 gas to form water and aqueous acetic acid CH3COOH, the main ingredient in vinegar. Calculate the moles of oxygen needed to produce
0.085mol of acetic acid. Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits.
1- Write the equilibrium constant expression for this reaction: NH3(aq)+H+(aq)→NH+4(aq) 2- A chemist prepares a solution...
A chemist prepares a solution of zinc oxalate ZnC2O4 by measuring out 2.41mg of zinc oxalate into a 150.mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in /molL of the chemist's zinc oxalate solution. Round your answer to 3 significant digits.
A chemist adds 1.30L of a ×6.7510−5/mmolL zinc oxalate ZnC2O4 solution to a reaction flask. Calculate the micromoles of zinc oxalate the chemist has added to the flask. Round your answer to 3 significant digits.
Wine goes bad soon after opening because the ethanol CH3CH2OH in it reacts with oxygen gas O2 from the air to form water H2O and acetic acid CH3COOH , the main ingredient of vinegar. What mass of ethanol is consumed by the reaction of 9.3g of oxygen gas? Be sure your answer has the correct number of significant digits.
Wine goes bad soon after opening because the ethanol CH3CH2OH dissolved in it reacts with oxygen O2 gas to form water and aqueous acetic acid CH3COOH, the main ingredient in vinegar. Calculate the moles of water produced by the reaction of 2.5mol of ethanol. Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits.
Wine goes bad soon after opening because the ethanol CH3CH2OH in it reacts with oxygen gas O2 from the air to form water H2O and acetic acid CH3COOH, the main ingredient of vinegar. What mass of water is produced by the reaction of 5.4g of oxygen gas? Round your answer to 2 significant digits.
A chemist prepares a solution of zinc nitrate ZnNO32 by measuring out 2.1 x 102 μmol of zinc nitrate into a 300.mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in μmol/L of the chemist's zinc nitrate solution. Be sure your answer has the correct number of significant digits.
A chemist prepares a solution of zinc nitrate Zn NO 3 2 by measuring out 2.5x 10^2 μmol of zinc nitrate into a 300. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's zinc nitrate solution. Round your answer to 2 significant digits.
O CHEMICAL REACTIONS Calculating molarity using solute moles OOOOO AUTUMN A chemist prepares a solution of zinc nitrate (Zn(NO3),) by measuring out 2.5x 10umol of zinc nitrate into a 500 ml volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's zinc nitrate solution. Round your answer to 2 significant digits. 0P x 5 ?
Calculate the volume in milliliters of a 4.3M silver nitrate solution that contains 100. g of silver nitrate (AgNO,). Round your answer to 2 significant digits. XI ? Wine goes baill soon after opening because the ethanol (CH.CH,OH) in it reacts with oxygen gas (0) from the air to form water (HO) and acetic acid (CH,COOH), the main ingredient of vinegar. What mass of ethanol is consumed by the reaction of 8.35 g of oxygen gas? Round your answer to...
Wine goes bad soon after opening because the ethanol (CH3CH2OH) in it reacts with oxygen gas (O2) from the air to form water (H20) and acetic acid (CH2COOH), the main ingredient of vinegar. What mass of oxygen gas is consumed by the reaction of 7.69 g of ethanol? Be sure your answer has the correct number of significant digits. 1 g xs ?