Question: The fish has a body mass of {eq}\rm 0.2\ kg {/eq}. Calculate the volume of water it will need to pass over its gills each hour to supply the oxygen required when resting. Fish: Fish are gill-bearing ...
Calculate the mass/volume percent (m/v) of 18.5 g of NaCl in 64.5 mL of solution.Mass-by-Volume Percent:The mass-by-volume percentage is used to express the concentration of a solution. it is defined as the mass of solute in grams present per milliliter of solution, ...
Calculate the mass of CaCO_3 that would produce 40 ml of CO_2 at stp. Find the mass of carbon dioxide that can be produced from 0.01 moles of calcium carbonate. A sample of CaCO_3 with a mass of 4.49 g is placed in 500.0 mL of 0.38 M HCl, forming CaCl_2, H_...
To set the scene: I performed a synthesis of copper oxalate complex, which I had to analyse by titration against [KMnO4] = 0.02024M to determine the percent by mass of oxalate in my sample. My calculation thus far: 2MnO4- + 5C2O42- +16H+ 2Mn2+ + 10CO2 + 8H2O ...
Re: How do you calculate the molar mass? « Reply #1 on: February 18, 2008, 01:11:37 PM » Mikey, I will say that 8H2O is part of the composition and you should threat like that! the rest of the calculations is yours, I can write the whole process but the rules says that ...
Here are the most common factors that affect water needs. Activity Level and exercise: People who exercise or do rigorous activity will need to consume more water daily. However, the exact amount varies depending on the activity, muscle mass, and climate. Climate and temperature: If you live...
Calculate the osmolarity of the following: a. 0.1 M KNO3 b. 0.35 M Na3PO4Osmolarity:An osmolarity is a unit of measurement that measures the osmotic concentration. It shows the number of osmoles per liter of the solution. An osmole is a unit of measurement that measures t...
Molar Mass of H2O:18.02 g/mol ElementSymbolAtomsMass % HydrogenH211.2% OxygenO188.8% Relate the moles of standard solution to the moles of unknown solution. Because this is a neutralization reaction, assume that the standard solution is the base (OH- ions). You calculated the moles of base...
Molar Mass Calculator Common Compounds Periodic Elements Chemical Formula H2O also known as Water Molar Mass of H2O:18.02 g/mol ElementSymbolAtomsMass % HydrogenH211.2% OxygenO188.8% Determine the molecular formula of the compound whose moles will be calculated. If this information is not already ...
H++ OH-–> H2O The formula to use: **Q = mc ∆T** Mass =m= 100 g + 100 g / 1000 g per kg = 0.2 g (one significant figure) Specific heat capacity of water =c= 4,186 J/kg degrees C Change in temperature = ΔT = 24 degrees C – 32 degrees C = -8 degrees C ...