0.1摩尔,氯气的摩尔质量为71g/mol.
How many moles are in 45.0 grams of silver? Molar Mass of Chemical Elements: While the weighing scale is commonly used in chemical laboratories to establish the quantity of a sample of chemical, chemists sometimes prefer to work in alternative units called 'moles'. The advantage of this practic...
How many grams of aluminum are in 0.488 moles of Al2(SO4)3? How many moles of Al are there in a sample that contains 15.7 grams of aluminum? Calculate the mass (in grams) of 1.51 moles of aluminum. Calculate the mass, in grams, of 3.00 moles of aluminum. ...
How many moles are in 52.3 grams of CaSO4? Mole: The symbol of the mole is mol.1 mol of a compound contains Avogadro's number of the molecule. The molar mass of calcium sulfate (CaSO4) is 136.14 g/mol. Answer and Explanation: Mass of CaSO4 = 52.3g Molar mass of CaSO4 = 136.14...
If I have 0.21 grams of KHP, how many moles is that? Suppose the mass of one mole of a substance is 45.0 g. How many moles of the substance is present in 0.568 g of the sample? How many grams are in 4.2 moles of H2O?
～How many moles are there in100 grams of sulfur? ( 100 克硫有多少摩尔 ～Per mole of sulfur atom consists of 6.02×1023 sulfur atoms and its qualty is 32 grams, so there are 100/32 moles in100 grams of sulfur. (1 摩尔的硫原子含 6.02×1023 个硫原子，质量为32克，...
1.72g of HCl is 1.72g / 36.5g/mol=0.047mol 3.40g of SO2 is 3.40g / 64g/mol=0.053mol 1dm^3=1L 1dm3 结果一 题目 calculate the number of moles present in 1.72g of hcl 3.40g of so22.how many moles in each of the following solutions.1dm3 of 1MHCL 答案 1.72g of HCl is 1...
百度试题 结果1 题目How many moles of Na+ ions are in 20 mL of 0.40 mol/LNa3PO4? ( ) A. 0.0080 B. 0.024 C. 0.050 D. 0.20 相关知识点: 试题来源: 解析 B 反馈 收藏
athe eldest daughter,to translate 最老的女儿,翻译[translate] aFor Experiments I and II, plates were incubated at least 48 为实验I和II,板材被孵化了至少48[translate] aHow many moles of HCIO4 are in 100 g of solution HCIO4多少个痣在100 g中解答[translate]...
moles of water in one drop = 0.002775 moles Using Avogrado's Number Finally, useAvogadro's numberto determine the number of molecules in a drop of water. Avogadro's number tells us there are 6.022 x 1023molecules of water per mole of water. So, next we calculate how many molecules there...