Saturday
May 25, 2013

# Posts by connie

Total # Posts: 200

Chemistry
What is the mass of 36.0mL of a liquid if its density is 2.70g/mL? is the right answer 97.2 g?

Chemistry
The average adult has about 9.0 pints of blood. If 20 drops of blood is = to 1 mL. How many drops of blood does the average human contain? Is the answer 85,1400 drops or 85,000 drops or neither? Thanks!

Chemistry
Caffeine is 49.47% carbon, 5.19% H, 28.8%N and 16.48% O. What is mass of carbon in 37.1g of caffeine?

Math
(1.0900 x 10to the 4th) X (2.098X 10 to the 14th) divided by (7.45x 10 to the negative 6th power)

math
[7-(-8)]|-6|=

chemistry
a patient receives 250 mL of a 4.0% (m/v) amino acid solution twice a day. a) how many grams of amino acids are in 250mL of solution? b) how many grams of amino acids does the patient receive in one day? For a) I came up w/10g and for b) I came up w/ 20g in 1 day. Is this righ...

chemistry
calculate the volume(ml) of a 0.215M KOH solution that will completely neutralize each of the following? a) 2.50ml of a 0.825M H2SO4 solution b) 18.5ml of a 0.560 M HNO3 solution c) 5.00mL of a 3.18 M H2SO4 solution

Anthropology
why do you think that members of a professional academic association(American Anthropological Association) decided to issue an official statement about race? [hint: what is politically relevant about the beginning and growth of anthropology as a discipline?]

Chemistry
How do you work the problem 1:10 dilution of 75mL of 2.5M H2SO4

chemistry
Just wanted to say thank you to DrBob for responding back even if he wasn't able to answer the question posted on Thur. 4/14/2011. If there is anyone else who can answer I'd appreciate it.

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