HELP PLEASE I NEED HELP THANKS I LOVE U How many moles of potassium nitrate (KNO3) are there in 0.300 L of a 2 molar solution?

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride

Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.

Select the correct answer. wax is a nonpolar substance. in which type of substance is it the most soluble?