1 Answers
Call
Talk Doctor Online in Bissoy App
Number of moles of HCI (MM=36.46 g/mol)needed to completely react with Ca(OH)₂.The molar mass of Ca(OH)₂ is 74.10 g/mol.
Ca(OH)2+2HCl=CaCl2+2H2Ov(Ca(OH)2)=v/2(HCl)=0.5molv(HCl)=1mol
1 Answers 1 views
Number of moles of HCI (MM= 36.46 g/mol) needed to completely react with Ca(OH2). The molar mass of Ca(OH2) is 74.10 g/mol
2 HCl (aq) + Ca(OH) 2 (s) → CaCl 2 (aq) + 2 H 2O (l)=2 moles
1 Answers 1 views
A. Number of moles of H2SO3 (MM=82.09 g/mol) needed to completely react with Mg(OH)2. The molar mass of Mg(OH)2 is 58.33 g/mol B. Mass of MgSO3 (MM=104.38 g/mol) formed in the reaction.
Number of moles of H2SO3=0.8875moles
1 Answers 1 views
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
<ol><li>10 mol of Zn react with 10 mol of HCl. Calculate the number of moles of H2 produced.</li></ol> (a) 5 mol (b) 10 mol (c) 20 mol (d) 2.5 mo
ANSWER SHOUD BE "a".EXPLANATION ......Zn reacts with HCl and form ZnCl2 and H2 .Balance Reaction is Zn + 2HCl ----- ZnCl2 + H2 .When 10 mol of Zn react with...
1 Answers 1 views
4gm of a divalent metal reacts with chlorine to produce 11.1gm of its metal chloride. Calculate equivalent weight of the metal.
Calculate the atomic mass of the metal. 9. ... reacts with one-volume of chlorine to give two-volume hydrogen chloride gas. ... Equivalent weight of an element is 32.5. ... 4gm...
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
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
-Hexane (C6H14) is being used as a fuel. The Moles of Oxygen required for complete combustion of 1 Mole of the fuel is: Select one: a. 9.5 moles b. 10.25 moles c. 10 moles d. None of the above
C6H14+9.5O2=6CO2 +7H2OAnswer a - 9.5 mole
1 Answers 1 views
<pre class="editor-code"><code class="prism">who has more mass?
N=14 H=1 O=16 C=12 S=32</code></pre>a. 1 mol of N b. 15 moles of H c. 0.5 mol of S e. 1 mol of C d. 0.5 mol of O
a ) 1 mol of N have " 14 g " .b ) 15 mol of H have " 15 g " .c ) 0.5 mol of S have 0.5...
1 Answers 1 views