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What is the answer to the following question using the correct number of significant figures? 130.92 / 10.91 = ?

What charge will the ion formed from a potassium (K) atom have?

What is the answer to the following question using the correct number of significant figures? 991.87 / 13.97 = ?

You find that the mass of an object is 0.250 kg. How many grams is this?

What is the formula for hydrofluoric acid?

What is the name of the acid, H3PO3?

What is the common name of N2H4?

You have 4.275 × 1023 atoms of krypton (Kr). How many moles of krypton do you have?

What is the name of CaCl2 · 2 H2O?

What is the formula mass for C6H14N4O2?