Chemistry Quiz1

Measurement What is the metric unit used for length? Optionsgramliterkelvinmeter A dialysis units requires 78.5 L of water. What is the estimated digit? OptionsAll, it is an exact number.857 A serving of potato chips contains 2400 mg of sodium. How many significant figures are in the number? Options4213 The number 325.608 rounded to 3 significant figures is Options325.61326325325.6 (5.15)(0.372)/0.085 = Options222322.52.254 In which pair do both numbers contains 3 significant figures? Options0.0504 and 50405.04 and 540050.4 and 0.054540 and 544 1 kg = ________g Options1000101001 The conversion factors for the equality 1 m = ____cm are Options1 m /100 cm and 100 cm/1m1 m/100 cm1 cm/100 m and 100 m/1 cm1 m/1000 cm and 1000 cm/1m A length of fishing line measures 5470 cm. How many kilometers is that length? Options0.0547 km5.47 km0.547 km54.7 km Some conversion problems require a U.S.-metric conversion factor. If a can of dog food contains 22.0 oz (ounces) of dog food, how many grams would that be? (1 lb = 454 g, 1 lb = 16 oz) Options330. g0.0485 g20.6 g624 g In a basketball player, the femur (thigh bone)may have a length of 0.525 m. How many inches long is that femur? Options52.5 in.0.0133 in.0.207 in.20.7 in. What is the density (g/mL) of a sample of olive oil if 250 mL has a mass of 0.23 kg? Options0.00092 g/mL10.9 g/mL0.92 g/mL57.5 g/mL The density of aluminum is 2.70 g/mL. If you use 108 g of aluminum foil, what is its volume in mL? Options292 mL2.50mL0.642 mL40.0 mL Milk has a density of 1.04 g/mL. What is the mass (g) of 1 quart (946 mL)of milk? Options1.10 g0.984 g910. g984 g A container has a mass of 112 g. When 25 mL of a liquid are added to the container, the combined mass of the container and liquid are 134 g. What is the specfic gravity of the liquid? Options1.15.40.884.5 Answer sectionQuiz 1 Measurements1) What is the metric unit used for length? Correct Answer: meter2) A dialysis units requires 78.5 L of water. What is the estimated digit? Correct Answer: 53) A serving of potato chips contains 2400 mg of sodium. How many significant figures are in the number? Correct Answer: 24) The number 325.608 rounded to 3 significant figures is Correct Answer: 3265) (5.15)(0.372)/0.085 = Correct Answer: 236) In which pair do both numbers contains 3 significant figures? Correct Answer: 0.0504 and 50407) 1 kg = ________g Correct Answer: 10008) The conversion factors for the equality 1 m = ____cm are Correct Answer: 1 m /100 cm and 100 cm/1m9) A length of fishing line measures 5470 cm. How many kilometers is that length? Correct Answer: 0.0547 km10) Some conversion problems require a U.S.-metric conversion factor. If a can of dog food contains 22.0 oz (ounces) of dog food, how many grams would that be? (1 lb = 454 g, 1 lb = 16 oz) Correct Answer: 624 g11) In a basketball player, the femur (thigh bone)may have a length of 0.525 m. How many inches long is that femur? Correct Answer: 20.7 in.12) What is the density (g/mL) of a sample of olive oil if 250 mL has a mass of 0.23 kg? Correct Answer: 0.92 g/mL13) The density of aluminum is 2.70 g/mL. If you use 108 g of aluminum foil, what is its volume in mL? Correct Answer: 40.0 mL14) Milk has a density of 1.04 g/mL. What is the mass (g) of 1 quart (946 mL)of milk? Correct Answer: 984 g15) A container has a mass of 112 g. When 25 mL of a liquid are added to the container, the combined mass of the container and liquid are 134 g. What is the specfic gravity of the liquid? Correct Answer: 0.88