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32 Answered Questions for the topic Chemical Formula

Chemical Formula

01/24/15

Please solve

Assume gold cost about 1350 per oz.  in the entire world therE are only 85 million kg of gold that have been mined. Calculate the net worth of all gold (1 oz= 28.4g) 
Chemical Formula

01/24/15

Please solve

Find the mass of an aluminum cube that measures 25.2 cm on each side (the density of aluminum is 2.70g/cm^3
Chemical Formula Chemistry Volume

11/24/14

And here's the flask

A flask has a mass of 54.12 g when empty and 180.27 g when filled with water. the density at 22.1°C is 0.997747 g/ml. when the same flask is filled with an unknown liquid, the total mass of the... more
Chemical Formula Chemistry Chemical Reactions

11/21/14

Determine the concentration of a solution prepared by diluting 25.0 mL of a stock 0.188 M Sr(NO3)2 solution to 150.0 mL.

Help please explain I am trying to learn!!
Chemical Formula Chemistry Chemical Reactions

11/13/14

Molarity of vinegar

HelloI am trying to work out the molarity of a standard store bought vinegar. i used 2g sodium hydroxide in 0.1M in 500ml.10ml vinegar diluted with 90g water.25 ml of vinegar solution used in... more
Chemical Formula

07/19/14

help with chemical formulas

how do I write the chemical formulas for:        1.        H   H   H   H          H   C   C   C   C    H               H   H        H                   H    C ... more
Chemical Formula

07/19/14

help with chemical formula

using the chemical equation      C2H4O2    +   H2O      →   H3O^+     + C2H3O2-     How do I explain that H2O is the chemical formula for the reactant which gives up a hydrogen ion in this... more
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