A saline solution with a mass of 400 g has 30g of NaCl dissolved in it what is the mass/mass percent concentration of the solution?

Which it largest 10km or 1000cm

What is chemistry energy

What kinds of sacrifices do governments face when considering how to reduce greenhouse gases?

What is the cathode

Caffeine, a stimulant found in coffee and soda, has the mass percent composition: c, 49.48%; h, 5.19%; n, 28.85%; o, 16.48%. the molar mass of caffeine is 194.19 g/mol. part a find the molecular formula of caffeine.

How many covalent bonds can each carbon atom form?

Hich element is likely to be the most brittle? a. selenium b. cobalt c. platinum d. zinc

What units should they have used in order to make the correct conversion

The brown solid that formed is zinc copper oxygen iron

a solution is approximately 332.0 g of salt per kilogram of solution. Assume this salt is all NaCl. What is the molality of this solution?