A blood sample of 2.81 milliliters is collected from a patient to be analyzed for a platelet count. Human blood should have around 1.04 kg/L platelets. What is the expected mass in grams of platelets in the blood sample?

Q: Calculate the volume in liters of a 0.18M potassium permanganate solution that contains 75.0 g of…

A: Given datas ;  Mass = 75.0 g  Molarity = 0.18 M  Molar mass of KMnO4 = 158.034 g/mol So,  Number of…

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Q: 3. Oxygen has an atomic number of 8, an atomic mass of 16, and it is neutrally charged.

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Q: TITRATION DATA In the next part of the experiment, you used the standard solution of sodium oxalate…

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States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.