Question

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

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)