1 Answers
Call
Talk Doctor Online in Bissoy App
Caculate the pH pOH of a soulition containing:
0.03 moles of HCl
1.2 moles of NaOH
5.3 x 10-4 moles of HNO3
3.3 x 10-3 moles of KOH
8 x 10-2 grams of HCl
For finding pH or pOH you need some volume of solvent,cause pH=-log[H+], and [H+] is concentration, it is how many mol is in 1L
1 Answers 1 views
a. If 4.5 mol of ethane, C2H6, undergo combustion according to the unbalanced equation C2H6+O2---->CO2+H2O, how many moles of oxygen are required? b. How many moles of each product are formed?
If 4.5 mol of ethane, C2H6, undergo combustionaccording to the unbalanced equation the amount of O2 is the samethat amount of ethane. C2H6 + O2 ----gt; CO2 + H2O, so...
1 Answers 1 views
How many moles of aluminum chloride and sodium hydroxide would be needed to produce 7.80 moles of aluminum hydroxide
The reaction between aluminium chloride and sodium hydroxide can be written as following:AlCl3 + 3NaOH = Al(OH)3 + 3NaClAs 7.80 moles of aluminium hydroxide are produced, 7.80 moles of aluminium...
1 Answers 1 views
In the reaction between aluminum and oxygen to form aluminum oxide, how many
grams of aluminum will react with 10.0 L of oxygen at 735 mm Hg and 10º C?
1) p = 735 mm Hg = 735 *133.322 = 97991.7 Pa; 2) V = 10L = 0.01 m3 ; 3) T = 10 °C = 283 K; 4) ν = 97991.7*0.01/8.314*283 = 0.42...
1 Answers 1 views
How many moles of aluminum oxide (Al2O3) are produced when 4.0 moles of aluminum (Al) are combined with Oxygen gas (O2)?
4Al+3O2=2Al2O3n (Al2O3) = 1/2 x n (Al) = 1/2 x 4 =2 moles
1 Answers 1 views
How many moles of aluminum nitrate are obtained from the reaction of 0.75 mol of silver nitrate with a sufficient amount of aluminum?
Solution:Balanced chemical equation:Al + 3AgNO3 → Al(NO3)3 + 3AgAccording to the equation above: n[AgNO3] / 3 = n[Al(NO3)3]Hence,Moles of Al(NO3)3 = Moles of AgNO3 / 3 = 0.75 mol /...
1 Answers 1 views
From an initial mix of: 2 mol Cl2, 1 mol Br2, 0.5 mol I2, 0.5 mol Cl−, 1 mol Br−, 2 mol I−; the total quantity of I2 present after all possible reactions occur is
0.5 mol I2 and 0.5 mol Cl- will not react with anything; 2 mol I- will react with one mol of Cl2 producing one mol of I2: 2I- + Cl2...
1 Answers 1 views
Calculate the number of moles of aluminum, sulfur, and oxygen atoms in 7.00 moles of aluminum sulfate, Al2(SO4)3
2moles(Al)*7moles=14moles aluminum3moles(S)*7moles=21moles sulfur12moles(O)*7moles=84 moles oxygen
1 Answers 1 views
In the reaction 4Al(s)+3O2(g)-> Al2O3(s)
A. How many moles of oxygen react with 5.5 miles of Al?
B. How many moles of Al2O3 can be produced from 5.5 moles of Al?
A. 4,125B. 1,375
1 Answers 1 views
If 7.0 moles of nh3 reacts with 14 moles of o2, how many moles of no2 will be produced?
Calculate how many moles of excess reactant will remain
4NH3 + 7O2 = 4NO2 + 6H2OAccording to the equation NH3 reacts completely, O2 is in the excess.7 mol of NO2 will be produced.According to the equation 7mol*7/4 = 12....
1 Answers 1 views