What is the mass in grams of 3.9 moles of water? a. 18.02 g/mole

b. 19 g/mole

c. 17.02 g/mole

d. 70.28 g/mole​

How many atoms are there in 5.70 mol of mg

Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?

#20 which type of bond is formed when bases pair in dna? ionic bond covalent bond coordinate bond hydrogen bond