Chemistry

STOICHIOMETRY 1. What is the SI symbol of groin? A. thouB. molC. moleD. molecules 2. How galore(postnominal) atoms are at that place in the compound (NH4)3PO4? A. 13B. 16C. 20D. 48 3. What is the kettle of fish of 26.0 mol of O? A. 1.625gB. 26gC. 208gD. 416g 4. A mole of H2O contains ________ A. 6.02 x 1023 atoms C. 6.02 x 1023 ions B. 6.02 x 1023 g-forcesD. 6.02 x 1023 molecules 5. What ts the correct unit of a dominion load? A. gramB molC. gram/molD. mole/gram 6. How many individual atoms are there in 250 grams of O2? A. 4.70 x 1024 atomsC. 4.70 x 10 -24 atoms B. 4.70 x 1023 atomsD. 4.70 x 10 -25 atoms 7. The mass of unrivaled mol is called ________ A. molecule B. fighter massC. portion firearmD. percent yield 8. What is the actual number of atoms preface in whizz molecule? A. molecular(a) reflexionC. percent yield B. percent written materialD. The oretical yield 9. Which of the following is an example of an a posteriori dominion? A. CH2B. C3H8OC. C5H10D. K2Cr2O7 10. The molar mass of glucose is ______ (H = 1, C = 12, O = 16) A. 24gB. 53gC. 180gD. 342g 11. When referring to mass sum of the nuclear masses of the atoms represented by the form of a molecular substance, the correct term used is A. atomic massB. formula weight C. molecular mass D. molecular weight 12. A mole of CO2 contians A. 6.02 x 1023 ions C. 6.02 x 1023 formula ions B. 6.02 x 1023 moleculesD. 6.02 x 1023 atoms 13. The mass of the products in a chemical substance reaction depends on the amount of A. excess reactantB. limiting reactantC. oxidizing agentD. step-down subtannce 14. What is the formula mass of CaCl2? (Ca = 40.1, Cl = 35.45) A. 75.6 amuB. 110.9 amuC. 111.1 amuD. 756 amu 15. What is the formula of the hydrated salt, CuSO4(5H2O? (Cu 63.5, S= 32.1, O= 16, H = 1) A. 112.6 amuB. 185.6 amuC. 20! 1.6 amuD. 249.6 amu 16. How many...If you want to get a fully essay, set it on our website: OrderCustomPaper.com

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