Science

posted by .

There is 40% of oxygen. If your mineral sample has a mass of 10g, how many grams of oxygen does it have. wouldn't it have 4 grams?

yes, exactly right.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Science

    If a mineral sample has a mass of 10 g, how many grams of oxygen does it contain?
  2. Chemistry

    Assume that a reaction occurs in which unknown substances R and S react to form unknown substances T and U. From the information below, determine the mass of substance T that will be formed if 45.0 grams of substance R reacts with …
  3. chemistry

    A 2.45 gram sample of potassium chlorate is heated an the oxygen gas collected. what is the volume of the oxygen at STP. Is the oxygen gas itself 2.45 grams or do I have to subtract something from that?
  4. Physics

    How many grams of water (H_2O) have the same number of oxygen atoms as 1.0 (mol} of oxygen gas?
  5. Chemistry

    Consider: C6H12)6 + 6O2-> 6CO2 + 6H2O + Energy a)If I have 90 grams glucose and all is consumed by oxygen, then how many grams of water will be produced?
  6. chemistry

    in a compound of nitrogen and oxygen, 14.0 grams of nitrogen combines with 32.0 grams of oxygen. How much oxygen is required to combine with a sample of 10.5 grams of nitrogen in producing same compound?
  7. science

    what will be the law of conversion of a) 65 grams 70 grams b) magnesium + oxygen = magnesium oxide 45 grams ?
  8. Science

    If a mineral is 10g, how much oxygen is in the mineral.
  9. CHEMISTRY

    In a certain compound of copper and oxygen, a sample weighing 0.5424g contains 0.4831 g of Cu. How many moles of Cu in the sample?
  10. chemistry

    In a certain compound of copper and oxygen, a sample weighing 0.5424g contains 0.4831 g of Cu. How many moles of Cu in the sample?

More Similar Questions