Wednesday
December 11, 2013

# Posts by ash

Total # Posts: 399

Chemistry
If the pH of grapefruit is 3 and the pH of beer is 5, how many times more acidic is the grapefruit juice than the beer? According to the logarithmic scale

Chemistry 110
What anhydrous salt has a molecular mass of 258g/mol? I believe the results from my experiment were incorrect and i can not figure out the general formula for the hydrated salt with a molecular mass of 258g/mol. please help

Chemistry
What anhydrous salt has a molecular mass of 258g/mol? I believe the results from my experiment were incorrect and i can not figure out the general formula for the hydrated salt with a molecular mass of 258g/mol. please help

accounting
The gross pay is \$3000 don't know the net pay

math
You would dothe commission divided by the percentage of the commission, so 6.48/.054

accounting
Earnings at regular rate (40hrs x \$40) = \$1600 Earnings at overtime rate 20hrs x \$40 x 1.75 = 1400 1400+1600 = 3000

chemistry
A student performing the water of hydration experiment cant seem to get his hydrate to constant weight. Several times he heats the compound, allows it t cool, and weighs it. But each time he does, he obtains a different mass. can you suggest some possible causes for this dilemma?

Chemistry
A commercial for a well known cleaning powder says that it "shakes out white, then turns blue" what type of reaction os occuring? what compound can one use to produce this effect?

Chemistry
How is water of hydration related to measurement and how it is related to the law of definite composition?

Chemistry
calculate the empirical formula. A chemist heats 50.00g of sulfur under controlled conditions to produce a sulfer-oxygen compund.The mass of the sulfur-oxygen compound is 100.00g. What is the empirical formula of the sulfur-oxygen?

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