How many grams of LiF would need to be dissolved to make 400 mL of a 1.67 M solution? Group of answer choices 20 g LiF 30 g LiF 10 g LiF 40 g LiF

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.

What is the number of moles in 15.0 g ash3?

What does the mass of 0.7891 mol of ferric oxide (fe2o3)