Is mass conserved when 40 G of sodium hydroxide undergoes a chemical change during an interaction with 36.5 grams of hydrogen chloride?

Which of the following sets of empirícal formula, molar mass, and molecular formula is correct?

Is a raccoon a carnivore

How many grams of solid Ca (OH) 2 (74.1 g/mol) are required to make 500 ml of a 3 M solution?

A neutron walks into a gas station to buy some snacks. He asks the cashier,"How much?" The cashier replies, "For you? No charge." what does this mean?

Compare and contrast substances and mixtures with two examples

Which electrical circuit is designed to produce light? A) an MP3 player B) a generator C) a flashlight D) an air conditioner

Describe the difference between a monoprotic acid and a triprotic acid. How does a triprotic acid generate hydrogen ions?

Which of the following do scientists use to form a hypothesis?.

How many moles of carbon are in 7.87x10^7 carbon molecules?

The phases of the moon are caused by the changing positions of the Earth and the Moon in relation to the Sun. Which items could best be used to represent the Sun, the Earth, and the Moon in a model that shows the phases of the Moon? A.