ocr: CH111 FINAL 1988 PAGE2 6. A compound contains only carbon. hydrogen and oxygen. Combustion of 10.68 What mg 1s of the the empirical compound yields formula of 16.01 the mg of compound? CO2 and 4.37 mg of H20. (a) C2H402 C34403 (c) C/H602 (d) - C,H603 7. An antacid tablet containing 0.50 grams ot NaHCO3 1s dissolved in 250 ml of water. What 1s the molar concentration of NaHCO3 in the solution? (a) 0.0041 M (b) 0.022 H O 0.024 H (d) 4.1 M 8. - What is the percentage (by weight) of aitrogen in the tertilizer (NH/280,? (a) 7.58 1 (b) 10.6 1 21.2 1 (d) 37.9 t 9. When a mixture of silvar metal and s ...
