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19 Nov 2019
Which of the following statements is INCORRECT? a) a microgram is smaller than a milligram b) a kilometer is larger than a meter c) a decimeter is smaller than a centimeter d) a nanometer is smaller than a meter e) a nanogram is smaller than a microgram How many micrometers are in 3.4 times 10^-9 m? a) 3.4 times 10^-3 mu m b) 3.4 times 10^3 mu m c) c) 3.4 times 10^6 mu m d) 3.4 times 106^-6 mu m e) none of the above Which of the following statements is correct? a) 1 mole of neon weights 20.18 g b) 1 mole of neon has the same number of atoms as 1 mole of copper c) One mole is the number of atoms whose weight is the atomic weight d) 20.18 g of neon has the same number of atoms as 63.55 g of copper e) all of the above What is the approximate molar mass of (NH_4)_3PO_3? a) 97 amu b) 101 amu c) 121 amu d) 133 amu e) 149 amu What is the mass of 2.00 moles of Ca(OH)_2? a) 74.1 g b) 56 g c) 122.5 g) 222.4g e) 148.2 g
Which of the following statements is INCORRECT? a) a microgram is smaller than a milligram b) a kilometer is larger than a meter c) a decimeter is smaller than a centimeter d) a nanometer is smaller than a meter e) a nanogram is smaller than a microgram How many micrometers are in 3.4 times 10^-9 m? a) 3.4 times 10^-3 mu m b) 3.4 times 10^3 mu m c) c) 3.4 times 10^6 mu m d) 3.4 times 106^-6 mu m e) none of the above Which of the following statements is correct? a) 1 mole of neon weights 20.18 g b) 1 mole of neon has the same number of atoms as 1 mole of copper c) One mole is the number of atoms whose weight is the atomic weight d) 20.18 g of neon has the same number of atoms as 63.55 g of copper e) all of the above What is the approximate molar mass of (NH_4)_3PO_3? a) 97 amu b) 101 amu c) 121 amu d) 133 amu e) 149 amu What is the mass of 2.00 moles of Ca(OH)_2? a) 74.1 g b) 56 g c) 122.5 g) 222.4g e) 148.2 g
Patrina SchowalterLv2
9 Mar 2019