Mole-mass conversions for covalent compounds
What is the mass of 1.25 mol of CO2?
55
What is the mole number of 116 g of NaCl?
2
4NH3 + 5O2 → 4NO + 6H2O
How many moles of NO are formed if 824g of ammonia react?
48.4
How many molecules are there in 1 mol?
6.02x1023
How many molecules are contained in 0.65 mole of so2 ?
3.91x1023
How many formula units in 0.67 grams of CaO?
7.2×1022
4NH3 + 5O2 → 4NO + 6H2O
How many grams of water are formed if 2.5 moles of NH3 are reacted with oxygen?
67.5
The mole is named after who?
Avagadro
What is the mass in grams of 2.01x1022 atoms of sulfur?
1.07
How many moles of O are there in 1 mole of H2O?
1
4NH3 + 5O2 → 4NO + 6H2O
How many moles of oxygen are needed to react with 4.6 moles of ammonia?
5.75
A mole is used in what kind of science?
Chemistry
How many O atoms are there in 35.2 g of CO2?
9.632x1023
How many molecules are in 55g of H2O?
1.8 x 1024
HgO → Hg + O2
How many moles of mercury(II)oxide are needed to produce 125g of oxygen?
7.81
The mole is the SI unit for the _______ of a chemical substance.
molecule number
How many moles of S are there in 23.2g of (C3H5)2S?
0.2
How many formula units are in 2 moles of H2SO4?
1.204 x 1024
HgO → Hg + O2
How many molecules of mercury are produced if 24.5 moles of mercury(II)oxide decompose?
36.8
When is the mole day?
October 23rd