If you have 3.52 moles of baking soda (nahco3), then about how many molecules of baking soda fo you have? a) 3.45 x 10^24 b) 2.12 x 10^24 c) 6.02 x 10^23 d) 1.23 x 10^24

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?