Five moles of TiCl4 are combined with two moles of
Ti.
a) How many moles of TiCl3 are produced according to the
following reaction?
3TiCl4 + Ti = 4TiCl3
I know the answer for A is 6.7 mols TiCl3.
I know 2 mols of Ti (4 mol TiCl3 / 1 mol Ti) = 8 mol and 5 mols
TiCl4 (4 mols TiCl3 / 3 mols TiCl4) = 6.7 mols TiCl3
What I don't understand is where the 5 is coming...
CH3COOH + NaHCO3 --> H2O + CHCOONa + CO2
Question 1.) The moles of acetic acid in 70.0 mL of 0.833 M
acetic acid solution is ___ moles. <--
0.0583 moles ?
The formula mass of NaHCO3 is 84.01 g/mol. Use this to calculate
the moles of NaHCO3 below:
Trial 1: 2.40 g NaHCO3 contains ___ moles?
<-- 0.0286 moles ?
Trial 2: 3.60 g NaHCO3 contains___ moles? <--
0.0429 moles ?
Trial 3: 4.80 g NaHCO3 contains ___ moles? <--...
1-
How many grams in 2.5 of CO2?
2- How many moles are in 90 grams of C6H12O6?
3 - How many grams of hydrogen are in 2 moles C3H8
4- Identify the groups and period that each elements belongs
:
Silicon
Barium
Element number 21
Iodine
5 - What is the maximum electron number that can be contained
in following:
A 2s orbital
The 3p subshell
The third shell
A 4d orbital
6 - How many valence electrons are...
A 10.00 g mixture of NaHCO3 and
Na2CO3 was heated and yielded 0.0274 moles
H2O and 0.106 moles CO2. Calculate the
percent composition of the mixture.
2NaHCO3 → Na2O + 2CO2 +
H2O
Na2CO3 → Na2O +
CO2
What is the percent NaHCO3 of the mixture?
What is the percent Na2CO3 of the
mixture?