The difference between the solutions to the equation #x^2 = a# is 30. What is #a#? A student calculates the density of iron as 6.6 g/cm3 using lab data for mass and volume. A handbook …

What is matter? What happens when matter and antimatter collide? What is the difference between mass and substance? When calculating percent error, what does it mean if I get a …

See the entire solution process below: "Percent" or "%" means "out of 100" or "per 100", Therefore x% can be written as x/100. We can find 4/14 as a percent by solving for x: 4/14 = …

How do you solve #7k-21=35#? How do you convert 1666 into a fraction and percent? A machine gun fires 10 rounds per second. The speed of the bullets is 300 m/s. What is the distance in …

Oct 16, 2016 · Now, the problem gives you percent abundance, but the above equation uses decimal abundances. To get from one to the other, simply divide a percent abundance by 100%.

Questions and Videos on Percent Composition, within Chemistry

This is a 25% discount. We can restate this problem as: $13 is what percent of $52? First, lets call the percent we are looking for "p" or p%. "Percent" or "%" means "out of 100" or "per 100", …

See explanation. First we have to calculate the number of missed shots. To do this we have to subtract the number of hits from the total number of throws: m=25-18=7 Now we have to …

Mar 31, 2016 · A compound's percent composition essentially tells you how many grams of each constituent element you get per 100 g of compound. In order to find methyl ethyl ketone's …

Sep 16, 2017 · "Percent" or "%" means "out of 100" or "per 100", Therefore 77% can be written as 77 100. 77% = 77 100 = 0.77