WebStudy with Quizlet and memorize flashcards containing terms like When the equation below is balanced, the coefficient of HCl is: AlCl3 + H2SO4 → Al2(SO4)3 + HCl, Propane (C3H8 ) reacts with oxygen (O2) to form carbon dioxide (CO2) and water (H2O). When the equation below is balanced, the coefficient of water is: C3H8 + O2 → CO2 + H2O, When the … Web8) How many mL of water should be added to 50.0 mL of a 15.0 M H2SO4 solution to give a final concentration of 0.300 M? A) 950 mL B) 2500 mL C) 1000 mL D) 2550 mL E) 2450 mL E) 2450 mL 9) How much NaCl is needed to make 50.0 mL of a 16% (w/v) solution? A) 12 g B) 2.0 g C) 8.0 g D) 16 g E) 4.0 g C) 8.0 g
Molarity and dilution Chemistry Quiz - Quizizz
WebSo between the numbers: 754 Torr (3 sig figs), 1.85 L (3 sig figs), 62.36 L Torr mol^-1 K^-1 (4 sig figs), and 294 K (3 sig figs); three sig figs is the smallest number of sig figs so the final answer should only have three sigs. Web4 aug. 2024 · How many moles of hydrogen were produced? Solution Step 1: List the known quantities and plan the problem. Known 86.5 L H 2 1 mol = 22.4 L Unknown moles of H 2 Apply a conversion factor to convert from liters to moles. Step 2: Calculate. 86.5 L H 2 × 1 mol H 2 22.4 L H 2 = 3.86 mol H 2 Step 3: Think about your result. some lines on water
Calculate the number of Molecules in 1 ml of water: - Toppr Ask
WebBoiling Point (BP), Water changes its state from liquid to gas at 100°C (212°F or 373.15K) Also known as: Water, distilled ; Water, liquid ; Water, pure ; Water, purified. Molecular formula: H 2 O Elements: Hydrogen (H) , Oxygen (O) Molecular weight: 18.015 g/mol Molar volume: 18.015 cm³/mol CAS Registry Number (CAS RN): 7732-18-5 WebHow many water molecules are there in a drop of volume 0.05 mL? (Density of water is 1 g/mL) Medium. View solution > 0. 6 g of carbon was burnt in air to form C O 2 ... WebIts units are mol/L, mol/dm 3, or mol/m 3. Molar concentration, also known as molarity, and can be denoted by the unit M, molar. To prepare 1 L of 0.5 M sodium chloride solution, … some links not working in chrome