HON Law of Conservation of Mass QUIZ

Last updated 3 months ago
8 questions
Required
1

The table lists some compounds found in foods and their formulas.


Based on this information, which of these statements is NOT true?

Required
7

Match up the formulas with the correct

Draggable itemCorresponding Item
Al2(CO3)3
1 atom of oxygen and 6 atoms of hydrogen
(NH4)2CO3
3 atoms of oxygen
Cr2H8N2O7
9 atoms of oxygen
(NH4)2SO4
7 atoms of oxygen and 8 atoms of hydrogen
NH4OH
3 atoms of oxygen and 8 atoms of hydrogen
C2H6O
1 atom of oxygen and 5 atoms of hydrogen
Al2O3
4 atoms of oxygen and 8 atoms of hydrogen
1

In the chemical equation K + I --> KI, If K has a mass of 3.5 grams and I has a mass of 10.0 grams, how many grams of KI would be produced?

1

Magnesium + Oxygen gas ------> Magnesium Oxide + Oxygen
48.6 g + 50.0 g ------> 80.6 g + ___?___

What is the mass of the oxygen in the products?

1

How many atoms of each element are in the molecule below?
(NH4)2SO4

1

How many atoms of oxygen are on the reactant side of chemical reaction below?
CO + H2O → CO2 + H2

1

How many total atoms in 3CuSO4

1

What happens to the total mass of reactants in a chemical reaction?