What is the mass, in grams, of 150 mL of liquid iron if its density is 7.874 g/cm³? Make sure to report your answer to the correct number of significant figures and with the correct units. Answer:

Green plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction in which water (H,O) and carbon dioxide (CO,) chemically react to form the simple sugar glucose (C,H1206) and oxygen gas (02). What mass of simple sugar glucose is produced by the reaction of 8.96 g of carbon dioxide? Round your answer to 3 significant digits. |x10

You have a stock NaCI of 5 g/L. You want to prepare 259 mL of a 1 mg/L NaCI solution. How many mL of the stock solution will you need? Give your answer with two digits after the decimal.

When 14.06 is divided by 89.9 , the answer should be reported to significant digit(s). req The result of the division, 14.06 /89.9 , reported to the correct number of significant digits is Enter a leading zero for answers less than one. Example 0.123 not .123 1 req When 89.9 is subtracted from 14.06 , the result should be reported with digit(s) after the decimal point. The difference, 14.06 - 89.9 , reported to the correct number of significant digits is