The ___ is used to measure the mass of an object. A. graduated cylinder B. balance C. test tube holder D. spatula 相关知识点: 试题来源: 解析 B。balance 是天平,用来测量物体的质量。graduated cylinder 是量筒,test tube holder 是试管夹,spatula 是药匙,都不能测量质量。反馈...
The mass of an empty graduated cylinder is 72.57 g, the volume of water is 50.00 mL, the mass of graduated cylinder and water is 122.38 g. What is the mass of the water? What is the density of the water? What is the mass of a liquid with a density of 2.12 g/mL and a volume ...
Determine the density of an object that has a mass of 149.8 g and displaces 12.1 mL of water when placed in a graduated cylinder. A) 11.4 g / mL B) 12.4 g / mL C) 1.38 g / mL D) 18.1 g / mL E) 8.08 g / mL. How many grams of O2 are present at 112.1 mmHg, at 17.4 ...
state, its occupied space or volume is measured in liters (L) or milliliters (mL). When a substance is a liquid, its volume can be measured directly in a graduated cylinder, which is a piece of calibrated glassware. If the substance is in a solid state and has a regular shape (i....
What is the mass of empty 10 ml graduated cylinder in grams? Add 5 ml of water to this empty 10 ml graduated cylinder, now what is the mass of cylinder with the liquid? What is the mass of a liquid that has a volume of 2.5 L and a density of 3 g/cm3? What liquid has a...
To make 200 mL of 150 mM NaCl, weigh ___ grams of NaCl, place in a graduated cylinder, and add water to make the total volume ___ mL. To make 500 mL of 200 mM NaCl, weigh ___ grams of NaCl, place it in a graduated cylinder, and add water to make the total volume ___ m...
1. Weigh the lighter to the nearest 0.001 grams or better. Attach a plastic tube to the gas opening on the top of the lighter. 2. Submerge a 100 mL graduated cylinder in water so that the cylinder fills completely with water. Invert the cylinder. ...
The mass of a lead piece is 115 g. When it is immersed into a measuring cylinder, the water level rises from 20 mL mark to 30 mL mark. Find the volume of the lead piece View Solution A solid weighs 30 gf in air and 26 gf when completely immersed in a liquid of relative density ...
The water level in a graduated cylinder initially at 219 ml rises to 284 ml after a piece of lead is submerged. What is the mass, in grams, of the lead? How many fluid ounces are in 6 deciliters (dL) if 100 mL are in 1 dL and 29.57 mL are in 1 fluid ounce? The density of...
The water level in a graduated cylinder initially at 219 ml rises to 284 ml after a piece of lead is submerged. What is the mass, in grams, of the lead? How much does 100 ml of water weigh in ounces? What is the weight of one cubic foot of water?