# Yahoo Web Search

1. ### why do some chemistry books say "mass and weight can be interchangeable" ? what does that mean ?

... mathematical terms , the assumption would be, W = m * 1 . However... objects in places other... is a math example to illustrate... (Mass) = 100 Kg g(...

10 Answers · Science & Mathematics · 24/06/2006

2. ### Help with my math for chemistry please?

... multiply by 100 . Now do it again because square..., but have no idea what you mean by upside down hs... and/or real math terms if that is what ...ve explained in the first example...

1 Answers · Science & Mathematics · 02/02/2011

3. ### Express the concentration of a 3% by weight CaSO4 solution in water in terms of...?

... (complete the math ) b. ppm By definition: 1 ppm = 1 mg/L... the result 3 g/ 100 mL from (a... of CaSO4 in 3 g: 3 g/(______ g... (which you did in (c). 100 g of solution...

1 Answers · Science & Mathematics · 23/09/2013

... 1 ; x is less than or equal to 1 , meaning it could be any number less than 1 OR it could be exactly 1 . ≥ this...symbol. This is very easy math , you should be able to do it on your own.

2 Answers · Science & Mathematics · 14/05/2012

5. ### Some more chem help plz?

...can easily determine what 3.3 %of that ...glucose per every 100 mL or solution...now you want this in terms of moles... in ever 1 L (a conversion... the math for you to do . Hope this...

1 Answers · Science & Mathematics · 17/11/2009

6. ### chemistry questionnn plzz helppp:)?

...up the molecule. In this case, it is 39. 1 + 35.5 + 3*16...yield was 100 % ?? Well... 1 to 2/3, meaning 2.180 moles...this is what 100 % recovery would... all the math right!)

4 Answers · Science & Mathematics · 19/01/2008

7. ### help to solve thie equation with radicals?

... in math not chemistry...to assume you mean . sqrt(x-4...not, they post what you mean ... like terms from the right...44x + 484 = 100 * (2x - 7 ) x...to solve. a = 1 b = - 156 c...it is done .

2 Answers · Science & Mathematics · 05/10/2011

8. ### what are the names of geometric figure with 12sides and above?

...twleveagon, fifteenagon or twentyagon; does that sound logical? If... these young people (one in high school and I hope...text books and challenge what ever dumb ass teacher is...school board of the piss poor math you are being...

6 Answers · Science & Mathematics · 03/02/2007

9. ### Chemistry Percent Abundance Question...?

... out). It means that 0.0950 of 1mole..., or 9.50% of 100 % is Y. Since X = 1 -Y, X... atoms in one mole. How...think it's correct. Does it make sense to you?

3 Answers · Science & Mathematics · 10/12/2007

10. ### Need help on these problems and a chemistry concept?

...cancel out the volume terms , mL and...045 mole/L * 1 L / 1000...with grams, what you want when ...check your math . If you include...a built in check. An...right? How do you know? That...

1 Answers · Science & Mathematics · 08/11/2014