You should probably just post your stuff in a bunch of separate things or one thing with pictures because people just look for easy questions to answer
Answer:-5
Step-by-step explanation:
We call the ratio between two directly proportional quantities the constant of proportionality. When these two quantities may increase or decrease, the constant proportionality always remains the same
Answer:
46.5
explanation
6.022*10^23 molecules=40g.
7.00*10^23=40*7.00*10^23/6.022*10^23 g =46.5 g