1- Determine the concentration of a solution prepared by diluting 25.0 mL ofa stock 0.188 M Ca(NO3)2 solution to 150.0 mL

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A: The pH of water increases sharply because the concentration of hydroxyl ions increases suddenly on t...

Q: Whether I wrote the following equation correctly : Copper (I) Sulfide + oxygen equals Copper + Sulfe...

A: A chemical reaction is symbolic representation of the conversion of substances to new substances. In...

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A: All matter can be classified as solid, liquid and gases mainly. In these physical states of matter, ...

Q: A grain of sand weighs 7.7 × 10−4 g. How many formula units of silicon dioxide, SiO2, are in one san...

A: The mass of one formula unit of SiO2 = 60.08 g/mol

Q: 8.16 (a) Use Lewis symbols to represent the reaction that occurs between Ca and F atoms. (b) What is...

A: (a) The reaction between Ca and F is depicted as follows by using Lewis symbols

Q: Calculate the volume in milliliters of a 0.72/molL aluminum sulfate solution that contains 200.g of ...

A: It is required to calculate the volume of 0.72 mol/L aluminium sulfate solution containing 200 g of ...

Q: Which of these chemical equations does NOT describe a redox reaction?  Group of answer choices 2K...

A: The Oxidation number is predicted for the element in the given reactions as shown,

Q: Water that contains deuterium rather than ordinary hydrogen is called heavy water. The specific heat...

A: Given,specific heat of heavy water at 25 deg. C. is 4.217J/g deg. CMass of water = 10gChange in temp...

Q: The electron affinity of oxygen is -141kj/mol, corresponding to the reaction  O(g)+e-—>O-(g) The ...

A: The reaction takes place according to the following steps