At standard Temperature and Pressure (STP) the molar volume (Vm) is the volume occupied by one mole of a chemical element or a chemical compound. Learn more about molar volume formula and related problem.
molar volume, although one can also speak of molar volumes of substances that are not gaseous at STP. Since at STP water occupies very nearly 1 cc per gram, and since 1 mole of water molecules weighs very nearly 18 grams, the molar volume of water is about 18 cc. The molar volume of...
Molar Volume of a Gas：一种气体摩尔体积 Molar Volume of a Gas KEY Name: ___Purpose:Determine the volume of 1 mole of hydrogen gas at STP using experimental data, known mathematical relationships, and a balanced chemical equation.Pre-Lab:Avogadro’s Hypotheses states that under the same condit...
The molar volume of a gas at STP is ___ L. A. 0.08206 B. 62.36 C. 1 D. 22.4 E. 14.7 点击查看答案进入小程序搜题 你可能喜欢 自然界中存在的电荷种类有? A.一种B.两种C.三种 点击查看答案进入小程序搜题 香港人过年时喜欢别人说“恭喜发财”之类的恭维话,不说“新年快乐” A、正确 B、错...
What is the molar mass of gas that, at STP, has a volume of {eq}100\;ml {/eq} and a mass of {eq}0.125\;g {/eq}?Molar Mass of a Gas:We are familiar with the pressure (P), volume (V), temperature (T), and number of moles (n) of gas in ...
Mg(s) + 2HCl(aq) → MgCl 2 (aq) + H 2 (g) You will react a known mass of solid magnesium with an excess of hydrochloric acid, in a sealed vessel, and use the pressure change to calculate molar volume at STP. OBJECTIVES In this experiment, you will • Measure the gas ...
Volume in mL of 1 mole H2(g) at STP =(1molex ~ mLH2(g)producedat STP) ~ ofmolesH2(g) produced (5 points) 7. Using the volume in mL of H2(g) produced at STP, convert mL H2(g) to L H2(g). 1 L = 1 000 mL L H2(g) = #mLH2(g) x1 L___ 1 000mL ...
The molar mass can be computed if the mass and the volume of the gas are also known.Molar Mass of Gas The molar mass is the amount of mass present in one mole of any substance. The number of moles gives information about the number of elementary species in a given sample, like atoms...
volume of the gas measured at atmospheric pressure and the temperature of the lab, you can calculate the volume of gas at STP. Knowing the mass of magnesium, you can calculate the theoretical volume of hydrogen at STP and compare with the volume that you actually collected in lab. Balanced ...
The volume of hydrogen gas produced will be measured directly on the scale of a gas-measuring tube. The gas laws of Boyle and Charles will be used to correct this volume, measured under laboratory conditions, to the volume the sample of gas would occupy at STP. The collected data (number...