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13. How many moles of Al₂ (SO4), are there in 50g of Al2 (SO4) 3?

14. How many moles of Fz are there in 72 g of Fz?

15. How

many moles of H₂O are there in 144g of H2O?

16. How many moles of He are there in 2g of the?

The unit cell of amazonite is made of three pairs of faces, each pair different from the others. The faces are oriented at angles to one another that are not 90 degrees.

True or false? K + is more soluble in water than Be2+. Why?

How many grams of NaCL are required to prepare 50ml of a 2.0 molar solution

How does the Coriolis effect benefit people who travel by airplane? Answer Options with 4 options A. When planes travel with prevailing winds, people save fuel and decrease travel time. B.

5. Which contains more nitrogen: 60g of urea, (NH2) 2CO, or 100g of ammonium sulphate, (NH4) 2SO4

Which of these would be an appropriate way to describe the concentration of orange candies? Check all that apply the number of orange candies divided by total number of candies the mass of orange candies divided by total mass of candies the volume

What can show the presence of carbon dioxide?

How does the shape of a structure affect its overall strength

Kim is doing an experiment with sound waves. She tested to see how quickly a sound wave could travel through three different materials: a metal pole, a helium balloon and a glass of water. She recorded her results.

Which of the following is an example of an electric force that occurs in atoms