What's the mass of one mole of potassium (k) ?

6. An experiment was performed to determine how the amount of coffee grounds could affect the taste of coffee.

Find the mass in grams of 4.48 liters of F2 gas at STP

Do carbon atoms gain, lose, or share electrons?

A mixture of gases has 0.3000 mol of CO2, 0.2706 mol of SO2 and 0.3500 mol of water vapor. The total pressure of the mixture is 1.500 atm. What is the partial pressure of SO2 in atm?

How many grams of NH4Cl will be needed to make a 1L solution with a concentration of 4.5M?

Assume that a raindrop has a volume of 3.48 cm3. If you had an Avogadro's number of raindrops that just filled a cubic box. What would be the edge of the length of the box measured in kilometers?

Compared to a proton, an electron has (1) a greater quantity of charge and the same sign (2) a greater quantity of charge and the opposite sign (3) the same quantity of charge and the same sign (4) the same quantity of charge and the opposite sign

Why do elements in the same group have similar properties and how does this affect bonding capabilities?

An atom has 26 protons and 24 electrons, which element is this?

Which is an example of a catalyst? heat stirring decrease in temperature