Mass Ratio Calculation Flashcards
What law states that elements can combine with one another in different mass ratios?
law of multiple proportions
There are two compounds of gold and chlorine. In one compound, there is 15.39 g of gold for every 2.77 g of chlorine. In the other compound, there is 7.74 g of gold for every 4.18 g of chlorine.
Find the ratio of masses of gold in the two compounds. (Give in” x : y” format)
3:1
In one compound of lead and sulfur, there are 6.46 g of lead for every gram of sulfur. In another, there are 3.23 g of lead for every gram of sulfur. What is the simple whole number ratio for the masses of lead that can make compounds with sulfur? (Write your answer ratio format. e.g: 5:2)
2:1
The proportion of the mass of one element to that of another element is a mass ____
ratio
Two compounds of phosphorus and fluorine have the following mass ratios.
Compound 1: 10.14 g fluorine for every 3.38 g phosphorus
Compound 2: 8.42 g fluorine for every 4.21 g phosphorus
Find the whole number ratio of masses of fluorine in compound 1 to compound 2.
3:2
Which compound has the lowest ratio of nitrogen to oxygen?
N2O5
The molecular formula for ethane is C2H6. What is the carbon:hydrogen mass ratio for ethane?
4:1
The mass ratio of hydrogen to oxygen in water (formula H2O) is 0.126 g hydrogen for every 1 g of oxygen. In another compound of hydrogen and oxygen called hydrogen peroxide, the mass ratio of hydrogen to oxygen is 0.063 g hydrogen for every 1 g of oxygen. What is a possible formula of hydrogen peroxide?
h2o2
Which compound of nitrogen and oxygen has the highest ratio of nitrogen to oxygen?
N2O
In the compound CH4, what is the carbon:hydrogen mass ratio?
3:1
A compound has 15.39 g of gold for every 2.77 g of chlorine. Simplified, there is ____ g of gold for every 1 g of chlorine. (Round to two decimal places)
5.56
