(Solved):   27) Predict the charge that the ion formed from chlorine would have. A) \( 2+ \) B) \( 3+ ...

 

27) Predict the charge that the ion formed from chlorine would have. A) \( 2+ \) B) \( 3+ \) C) \( 1- \) D) 4- E) \( 1+ \) 28) What is the mass of \( 8.00 \times 1022 \) molecules of \( \mathrm{NH}_{3} \) ? A) \( 0.442 \mathrm{~g} \) B) \( 128 \mathrm{~g} \) C) \( 0.00780 \mathrm{~g} \) D) \( 2.26 \mathrm{~g} \) 29) Identify the compound with ionic bonds. A) \( \mathrm{H}_{2} \) B) \( \mathrm{Kr} \) C) \( \mathrm{CO} \) D) \( \mathrm{H}_{2} \mathrm{O} \) E) \( \mathrm{NaBr} \) 30) What mass (in g) does \( 0.990 \) moles of \( \mathrm{Kr} \) have? A) \( 240 \mathrm{~g} \) B) \( 35.6 \mathrm{~g} \) C) \( 240119 \mathrm{~g} \) D) \( 83.0 \mathrm{~g} \) E) \( 52.8 \mathrm{~g} \) 31) How many phosphorus atoms are contained in \( 158 \mathrm{~kg} \) of phosphorus? A) \( 2.95 \times 1027 \) phosphorus atoms B) \( 3.07 \times 1027 \) phosphorus atoms C) \( 8.47 \times 10^{24} \) phosphorus atoms D) \( 1.18 \times 10^{24} \) phosphorus atoms E) \( 3.25 \times 10^{28} \) phosphorus atoms 32) What is the mass of \( 9.44 \times 1024 \) molecules of \( \mathrm{NO}_{2} \) ? The molar mass of \( \mathrm{NO}_{2} \) is \( 46.01 \mathrm{~g} / \mathrm{mol} \). A) \( 205 \mathrm{~g} \) B) \( 685 \mathrm{~g} \) C) \( 341 \mathrm{~g} \) D) \( 721 \mathrm{~g} \) E) \( 294 \mathrm{~g} \)