Learning Task 3: Solve the following problems below. Do this in a separate sheet of paper NN 1. Gold (Au) has been used to make ornamental objects and jewelry for thousands of y…

asked Sep 23, 2024 123k views

Learning Task 3: Solve the following problems below. Do this in a separate sheet of

paper
NN
1. Gold (Au) has been used to make ornamental objects and jewelry for thousands of
years. Gold nuggets found in a stream are very easy to work and were probably
one of the first metals used by humans. (1 mol of Gold (Au) - 196. 97g). Calculate
the:
A. Number of moles in a 95. 0 g sample of a gold nugget.
MD
B. Number of atoms in a 95. 0 g sample of a gold nugget.
2. During exercise, lactic acid (C3H603) forms in the muscles causing muscle cramp.
If 5. 0 g of lactic acid (C3H6O3) concentrate in your leg muscles, how many
molecules of lactic acid is causing you pain? (C = 12. 0 g/mol, H = 1. 008 g/mol,
O = 16. 0 g/mol)