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The chemical formula for zinc nitrate is: Zn(NO3)2 Calculate the molar mass of zinc nitrate. Round...
STOICHIOMETRY Finding molar mass from chemical formulae The chemical formula for diethyl sulfoxide is: (CH2CH2), so Calculate the molar mass of diethyl sulfoxide. Round your answer to 1 decimal place. I g-mol ! STOICHIOMETRY Finding molar mass from chemical formulae The chemical formula for diethyl sulfoxide is: (CH2CH2), so Calculate the molar mass of diethyl sulfoxide. Round your answer to 1 decimal place. I g-mol !
A chemist prepares a solution of zinc nitrate (Zn(NO)) by measuring out 14.4 g 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 3 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.
Nitric acid and zinc react to form zinc nitrate, ammonium nitrate, and water. 4 Zn(s) + 10 HNO3(aq) - 4 Zn(NO3)2(aq) + NH4NO3(aq)+ 3 H20(0) (a) How many atoms of zinc react with 1.05 g HNO3? atoms (b) Calculate the number of grams of zinc that must react with an excess of HNO3 to form 28.3g NH4NO3
The chemical formula for sulfuric acid is: H2SO4 Calculate the molar mass of sulfuric acid. Round your answer to 2 decimal places. I g.mol x 5 ?
6. The molecular formula of the ionic compound calcium nitrate is Ca(NO3)2 a. Based on the formula given for calcium nitrate, what is the charge (sign and size) on the polyatomic nitrate ion NO3? In other words, what is "x" in the formula NO3? How do you know? b. Calculate the molar mass of calcium nitrate to 2 decimal places. Show how you arrived at your answer. Determine the number of moles in a 65-ng sample of calcium nitrate. c.
O STOICHIOMETRY Dilution A chemist makes 570 mL of zinc nitrate (Zn(NO3), ) working solution by adding distilled water to 190 ml of a 0.0381 M stock solution of zinc nitrate in water. Calculate the concentration of the chemist's working solution. Be sure your answer has the correct number of significant digits. X 5 ?
Calculate the molar mass of calcium nitrate. Calculate the molar mass of calcium nitrate. 164.10 g/mol 132.10 g/mol 102.09 g/mol 136.03 g/mol none of the above I typically understand how to calculate the molar mass but not when it is a compound. I originally got 102.09 but it was marked wrong on my homework and I do not know how to get to the correct answer.
The chemical formula for t-butanol is: (CH), COH Calculate the molar mass of t-butanol. Round your answer to 2 decimal places. gomol x 5 ?
A chemist adds 415.0 mL of a 1.4M zinc nitrate (Zn(NO). solution to a reaction flask. Calculate the mass in kilograms of zinc nitrate the chemist has added to the flask. Round your answer to 2 significant digits. 5 ?