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Chemistry, 17.02.2021 19:00 joco8988

If answer all , marked brainliest , show work please What is the mass of 0.00300 mol of strontium nitrate? (0.635 g)

7. What is the molar mass of mercury (II) acetate? (318.7 g)

8. How many molecules are found in 5.46 kg of water? (1.82 x 1026 mlcl)

9. What is the mass of 8.39 x 1023 molecules of fluorine gas? (52.9 g)

10. What is the mass of 3.00 mmol of calcium carbonate? (0.300 g)

11. A chemist needs 22.0 g of phenol, C6H5OH, for an experiment. How many moles
of phenol is this? (0.234 mol)

12. A student needs 0.015 mol of iodine crystals, I2, for an experiment. What mass, in
kilograms, of iodine crystals should the student obtain? (0.0038 kg)

13. What is the mass of 10.00 moles of aluminum sulfate?(3422 g)

14. Determine the mass of 6.94 mmol of barium chloride.(1.44g)

15. What is the mass of a sample consisting of 1.00 x 1022 formula units of magnesium sulfate?(2.00g)

16. Calculate the number of moles in 3.00 mg of boron tribromide.(1.20 x 10-5 mol)

17. The molar mass of methanol, CH3OH, is 32.05 g. Calculate the number of moles in 7.50 x 102 g
of methanol.( 23.4 mol)

18. How many moles are found in 6.321 x 1023 molecules of phosphorus trichloride?(1.050mol)

19. How many chlorine atoms are there in 0.25 mol of potassium chloride?(7.5 x 1022 Cl atoms)

20. Calculate the number of moles in 0.272 mg of nickel (II) nitrate? (1.49 x 10-6 mol)

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