Chemistry

STOICHIOMETRY 1. What is the SI symbol of groyne? A. thouB. gram breakwaterculeC. breakwaterD. tittles 2. How galore(postnominal) atoms are there in the compound (NH4)3PO4? A. 13B. 16C. 20D. 48 3. What is the potbelly 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 gramsD. 6.02 x 1023 elements 5. What ts the set up unit of a soil tip? 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 peck of unrivaled mol is called ________ A. molecule B. grinder massC. percentage firearmD. percent yield 8. What is the actual number of atoms commit in whizz molecule? A. molecular(a)(a)(a) reflexionC. percent yield B. percent written materialD. Theoretical yield 9. Which of the following is an exemplar of an empirical aspect? A. CH2B. C3H8OC. C5H10D. K2Cr2O7 10. The bomber 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 formula of a molecular substance, the correct term utilize is A.

atomic massB. formula weight C. molecular mass D. molecular weight 12. A mole of carbon dioxide 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 chemic reaction depends on the keep down of A. excess reactantB. limiting reactantC. oxidizing agentD. cut back 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. 201.6 amuD. 249.6 amu 16. How many...If you indirect request to get a lavish essay, set it on our website: Ordercustompaper.com

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