Use the values of A, which follow to answer the questions below.
H=1; C = 12; N= 14; O = 16; Ne = 20; Na = 23;
Mg = 24; S = 32; K= 39; Fe = 56; Cu= 63.5; Zn = 65.
One mole of any gas at rtp occupies 24 dm3.
1 Calculate the number of moles in:
a 2g of neon atoms
b 4g of magnesium atoms
( 24g of carbon atoms.

Let the ed50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. if the ed50 value of ethanol is 470 mg/kg body mass, what dose would a 70 kg party goer need to quickly consume in order to have a 50% chance of getting a buzz? 235 mg 470 mg 32,900 mg 35,000,000 mg