Answer:
43.8%
Explanation:
Find the sum of the relative atomic mass of all the elements constituting the compound, which is known as the relative formula mass;
Then, divide the relative formula mass of all the water by that of the whole compound
w = % water
w = 43.8%
Answer:
Explanation:
Amount C = 4moles
Molar mass Of C = 12g/mol
Amount = mass/molar mass
Mass = amount × molar mass
Mass = 4 × 12
Mass = 48g
It is each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.
A van urk reagent is considered to be specific and also sensitive of which it is in chromogenic reagents. If it is used in as a test sample, turning the sample in bluish-purple in color, the drug that indicated its own presence is LSD or also known as Lysergic Acid Diethylamide. It is a type of psychedelic drug.
Answer:
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Explanation:
The active voice describes a sentence where the subject performs the action stated by the verb. It follows a clear subject + verb + object construct that's easy to read. In fact, sentences constructed in the active voice add impact to your writing. With passive voice, the subject is acted upon by the verb. Active voice is a grammatical voice common in many of the world's languages. It is the unmarked voice for clauses featuring a transitive verb in nominative–accusative languages, including English and most other Indo-European languages Active voice examples
The dog chased the squirrel. All three sentences have a basic active voice construction: subject, verb, and object. The subject monkey performs the action described by adore. The subject the cashier performs the action described by counted.
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