【简答题】1.What is the empirical formula of the following compounds? a. a liquid containing 2.0g of hydrogen, 32.1g sulfur and 64.0g oxygen. b. a white solid containing 4.0g calcium,3.2g oxygen,0.2g hydrogen. c.a white solid containing 0.243g magnesium and 0.71g chlorine。 2. 3.888g...
1.What is an ecosystem? a)All the organisms living in a given area. b)All the abiotic factors in an area. c)All the organisms that has interaction with each other and their environment of energy and matter. d)All the organisms that has no interaction with each other and their environmen...
What is the mass number of chlorine? Chlorine: Chlorine is one of the 118 chemical elements included on the Periodic Table of Elements. It is indicated with the symbol 'Cl' and has the atomic number 17. Chlorine was first discovered in 1774. ...
What is the formula for manganese (II) chlorite? IManganese Chlorite: Manganese Chlorite is a chemical compound which contain manganese, chlorine and oxygen. The oxidation state of manganese in this compound is +2. Answer and Explanation:
The gram molecular mass of chlorine is 35.453 g/mol.Since this is a decimal value, there must be multiple isotopes of chlorine. Rounding this average... Learn more about this topic: Molar Mass | Definition, Formula & Examples from
Magnesium dichromate is a type of compound that comprises one atom of magnesium along with two atoms of chromium and seven atoms of oxygen. Hence, the formula becomes {eq}MgCr_2O_7 {/eq} Answer and Explanation: Learn more about this topic: ...
Step 3: After the replacement in step 2 is completed, introduce chlorine gas to carry out the chlorination reaction; Step 4: Inject chlorine gas into step 3 for chlorination for 30 minutes and then filter to obtain a high concentration POLYETHYLENE, CHLORINATED solution; ...
NaCl is a chemical formula for Sodium Chloride, and it is made of one Sodium atom and one chlorine atom. The atoms of both Sodium and Chlorine are arranged in an organized pattern, also known as a lattice. To know the polarity of any molecule, we first look at the difference in the ...
example, sodium chloride, more commonly known as table salt, can be expressed by the formula unit NaCl. Regardless of how many ions of sodium chloride are being used in a chemical equation, the formula unit for sodium chloride is the simplified expression of one sodium atom to one chlorine ...
H?O? stands for hydrogen peroxide. Sodium percarbonate has the formula Na?CO?, while sodium perborate is NaBO?. Chlorine-Based Bleach The most commonly used bleach, doubtless partly because it is inexpensive, is hypochlorite bleach. The two most common forms of hypochlorite commercially are sodium...