Questions LLC
Login
or
Sign Up
Ask a New Question
Science
Chemistry
The mass ratio of Kr to F in a particular compound is 2.206:1. How many grams of fluorine are present if the compound contains 713.3 grams of Kr?
1 answer
see above.
You can
ask a new question
or
answer this question
.
Similar Questions
The mass ratio of Kr to F in a particular compound is 2.206:1. How many grams of fluorine are present if the compound contains
Top answer:
it's a proportion problem. 2.206 g Kr /1 g F = 713.3 g Kr/ (x g F) cross multiply and solve for x
Read more.
This question has been bugging me for a long time. A rock contains a Pb-206 to U-238 mass ratio of .145 to 1.00. Assuming that
Top answer:
The problem gives a MASS ratio and not an atom ratio; therefore, you must convert mass Pb to mass U.
Read more.
An igneous rock contains a Pb−206/U−238 mass ratio of 0.367.
How old is the rock? (U−238 decays into Pb−206 with a
Top answer:
I don't know how advanced this class is but there is an easy way (and not quite so accurate) and a
Read more.
See bottom Patrick
A certain compound contains carbon, hydrogen , and oxygen. When 1.00 grams of this compound are burned in
Top answer:
See above.
Read more.
A certain compound contains carbon, hydrogen , and oxygen. When 1.00 grams of this compound are burned in oxygen gas 1.47 grams
Top answer:
Yes. 180 is the molar mass and 284 is delta T. The problem states that the freezing point of the
Read more.
A certain compound contains carbon, hydrogen , and oxygen. When 1.00 grams of this compound are burned in oxygen gas 1.47 grams
Top answer:
I would convert 1.47 g CO2 to grams C, then to percent C. Same for H2O to hydrogen. Then add the two
Read more.
A certain compound contains carbon, hydrogen , and oxygen. When 1.00 grams of this compound are burned in oxygen gas 1.47 grams
Top answer:
1. To determine the empirical formula of the compound, we need to find the ratio of the elements
Read more.
Use a grammatically correct English sentence to describe how the mass in amu of one molecule of a compound is related to the
Top answer:
i found this answer online. the molecular mass (in amu) is numerically the same as the mass of one
Read more.
You are given a compound which calls for combining 30 grams of 2.5% hydrocortisone cream with 15 grams of zinc oxide.
What is the
Top answer:
total amount=45 grams amount cortizone=.0025*30 ratio=amountcortizone/total
Read more.
A compound contains 'N' and 'O' atom. The ratio of mass percentage of 'N' and 'O' is 7:16. If the vapour density of compound is
Top answer:
%N/%O = 7/16 but 7/16 is the same as 14/32 and that means the empirical formula is NO2. vapor
Read more.
Related Questions
Which expression represents the calculation “6 more than the product of 2 and 20"?
Responses A 6 × 2 × 206 × 2 × 20 B 6 + 2
2 grams of potassium (K) reacts with 5 grams of Oxygen (O). According to the Law of Conservation of Mass, how many grams of
A compound is found to contain 50.05 % sulfur and 49.95 % oxygen by mass. What is the simplest (empirical) formula for this
The masses of 10 books are found to be in an arithmetic sequence. If their total mass is 13 kg and the lightest book has a mass
A compound containing only sulfur and nitrogen is 69.6% S by mass; the molar mass is 184 g/mol. What are the empirical and
An aqueous solution containing 35.1 grams of an unknown molecular (noneolectrolyte) compound in 152.5 grams of water was found
Analysis of a compound indicates that it is 49.02% carbon, 2.743% hydrogen, and 48.23% chlorine by mass. A solution is prepared
Analysis of a compound indicates that it is 49.02% carbon, 2.743% hydrogen, and 48.23% chlorine by mass. A solution is prepared
Analysis of a compound indicates that it is 49.02% carbon, 2.743% hydrogen, and 48.23% chlorine by mass. A solution is prepared
Completion (Help)
To find the mass of a mole of a compound, scientists add together the __1____ of the atoms making up the