A thin foil of aluminium is used as wrapper in food in food industries. How many atoms are present in a foil that contains 0.2 moles of aluminium? please Quick!

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.