1 Answers
Call
Wine is approximately 12% ethanol by volume. ethanol has a molar mass of 46.06 g/mol and a density of 0.789g/ml. How many moles of ethanol are present in a 750 ml of wine?
The volume of ethanol in 750 ml of wine is: 750 x 0.12 = 90 mlDensity = mass/volumeMass = density x volumeMass of pure ethanol = 0.789 x 90 =...
1 Answers 1 views
205 gram hydrogen sulfide reacts with 75.0 g oxygen to produce sulfur and water. Find: a) Gram of sulfur formed b) gram of excess reactant used up c) gram of excess reactant that remained unreacted
H2S + O2 --->>H2O + SMolar mass of H2S = 34.1= 205/34.1 = 6.0112 molesMolar mass of oxygen = 31.99875/31.998 = 2.344 molesMole ratio in both cases = 1:1= 2.344+6.0112...
1 Answers 1 views
The experiment is repeated with 1.0 M ethanoic acid to replace the sulphuric acid. Calculate the volume of ethanoic acid, CH3COOH needed to neutralize 25mL of potassium hydroxide solution
Molar mass of ethanoic acid = 60.052 g/MolMolar mass of KOH =56.105625/56.1056= 0.446mol0.446×60.052= 26.76ml of CH3COOH
1 Answers 1 views
1.k2[Fe(Co)8]+CH2I2=?+KI
2.Mo2(ch3coo)4+hcl=?+ch3cooh+H(PLUS)
3.Mo(Co)6+CH3COOH=?+CO2+H2
4.CO+H2+CO=?
1. K2[Fe(CO)8] + CH2I2 = CH2[Fe(CO)8] + 2KI 2. Mo2(CH3COO)4 + 8HCl = Mo2Cl84- + 4CH3COOH + 4H+ (temperature is 0 C) 3. Mo(CO)6 + 2CH3COOH = Mo(CH3COO)2 + 6CO...
1 Answers 1 views
How will blue and red litmus paper react with neutralisation reactions and why? These are the reactions: HCl+NH3, CH3COOH+NH3, HCl+NaOH, CH3COOH+NaOH.
In this case is important as behaving in a neutralization products in water HCl + NH3 = NH4Cl NH4Cl + H2O = NH4OH (weak base) + HCl (strong acid) so...
1 Answers 1 views
When ethanol was reacted with ethanoic acid to create ethyl ethanoate, why did it smell like nail polish remover instead of pears?
A smell of compound depends on a concentration. Ethyl ethanoate smells like pears at low levels and like nail-polish-remover at high concentration. You can dilute it if you want feel...
1 Answers 1 views
Increasing order of their acidic strength propanoic acid,ethanoic acid,2-fluoroethanoic acid,2-chloroethanoic acid,dichloroethanoic acid
Also give reasion .
Solution:- propanoic acid<ethanoic acid<2-chloroethanoic acid<2- fluoroethanoic acid<dichloroethanoic acid when alkyl group keeps increasing, electron pushing effect increases, more tha alkyl group, more the electron pushing, and more stronger the carbon...
1 Answers 1 views
calculate the concentration of acetate ions in a solution that is .150M CH3COOH and .05 M HI. Ka of CH3COOH is 1.75x10^-5
V = 1L 0.05M X M HI = H+ + I- 1M 1M[H+]HI = X = 0.05M.Let Y moles of acetic acid be dissociated. Ymol Ymol YmolCH3COOH ⇄ CH3COO- + H+ 1mol 1mol 1molKa = [H+][CH3COO-]/[CH3COOH] = ([H+]HI + [H+]CH3COOH) ×[CH3COO-]/[CH3COOH] =...
1 Answers 1 views
Compare the relative acidities of ethanoic acid, propanoic acid, fluoroethanoic acid and iodoethanoic acid. Explain your answer giving appropriate answers.
Ethanoic acid: pKa = 4.76Propanoic acid: pKa = 4.87Fluoroethanoic acid: pKa = 2.59Iodoethanoic acid: pKa = 3.18So, the most acidic is the fluoroethanoic acid, then iodoethanoic acid, then ethanoic acid,...
1 Answers 1 views
Complete and balance these typical acid reactions.
a). CuO(s) + HCI(aq)
b). Na2CO3(s) + HCI(aq)
c). NaOH(aq) + H3PO4(aq)
d). Ni(OH)2(aq) + CH3COOH(aq)
e). NH4HCO3(s) + CH3COOH(aq)
a). CuO(s) + 2HCI(aq) → CuCl2(s) + H2O(aq)b). Na2CO3(s) + 2HCl(aq) → H2O(aq) + CO2(g) + 2NaCl(aq)c). 3NaOH(aq) + H3PO4(aq) → Na3PO4(aq) + 3H2O(aq)d). Ni(OH)2(aq) + 2CH3COOH(aq) → Ni(CH3COO)2(aq) +...
1 Answers 1 views