What is the correct chemical formula of a compound composed of potassium ions and phosphate ions?

What is the net ionic equation for the reaction of aqueous solutions of sulfuric acid and sodium hydroxide?

How many moles of oxygen are in 2.0 moles of barium perchlorate, Ba(ClO4)2?

A sample of pure copper contains 2.89 x 1023 atoms of copper. What is the mass (in g) of this sample of copper?

Calculate the percentage by mass (in %) of platinum in cisplatin, PtCl2(NH3)2.

Consider the reaction of Zn, Zn, with hydrochloric acid, HCl: Zn (s) + 2 HCl (aq) → ZnCl2 (aq) + H2 (g) What is the percent yield of ZnCl2 when 19.2 g of Zn reacts with an excess of HCl to produce 28.2 grams of ZnCl2?

Simplify the expression.-(9v – 6) + 8(9v + 8)

Write equations of the horizontal and the vertical lines that pass through the given point.(7, 5)

Write the decimal as a fraction or mixed number in simplest form.0.76

Write the solution set using interval notation.(4x – 12) ≥ x – 3