How many moles of ions are in 1.80 mol of K2SO4?

Which of the following statements is a qualitative observation? A. The branch is three meters long. B. The substance tastes bitter. C. There are eleven students absent. D. The beaker contains four hundred milliliters of an unknown liquid.

If mass of a material is 79 grams and the volume of the material is 15 cm^3, what would the density of the material be?

Fern, moss, volvox, mould liverwort, which one is a thallophyte

What is an example of a physical change

A liquid is matter that has a fixed volume and a fixed shape. True False

How would the mass of one mole of magnesium atoms compare to the mass of one mole of iron

Calculate the ph of the resulting solution if 34.0 ml of 0.340 m hcl (aq is added to

One of the signs of a chemical reaction is taking place

If force is held constant as surface area decreases pressure

Which group contains elements composed of diatomic molecules at stp