Sunday
April 20, 2014

Homework Help: chemistry

Posted by jaz on Monday, March 16, 2009 at 10:50pm.

Find the mass in grams.

a. 4.30 x 10^16 atoms He, 4.00 g/mol

b. 5.710 x 10^23 molecules CH4, 16.05 g/mol


c. 3.012 x 10^24 ions Ca^2+, 40.08 g/mol

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Chemistry - What ratio is used to carry out each conversion? a.mol CH4 to grams ...
Chemistry - 1)The chemical formula for aspirin is C9H8O4. What is the mass of 0....
Chemistry - How would you find the mass in grams of the following 4.01*10^23 ...
chemistry - Calculate the following quantities. (See the periodic table.) (a) ...
Chemistry - If a sample of Co2(CO)8 is found to contain 6*10^-2 mol of C atoms, ...
Chemistry - Using the compound for Ibuprofen C13H18O2 find molecules of ...
Chemistry - which conversion factor do you use to first calculate the number of ...
Chemistry(Please check) - Which of the following mixtures will be a buffer when ...
Chemistry - 1) Calculate the energy. in joules, of a photon of wavelength 1.250x...
chemistry - calculate number of atoms in 4.67 mol of Ca(NO3)2 I got: 2.81 X 10^...

Search
Members