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06-10-2022
Chemistry

Answered

1. If the mass of a piece of wood is 3.22 grams, what is its density if is volume is 1.75 cm³?

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Other Questions

8) A 250 cm³ solution of NaOH was prepared. 25.0 cm³ of this solution required 28.2 cm³ of 0.100 mol dm³ HCI for neutralisation. Calculate what mass of NaOH was

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A compound is 7.70% hydrogen and 93.30% carbon. Its molar mass is 104 g/mol. What is its molecular formula?

A compound is 47.0% potassium, 14.5% carbon, and 38.5% oxygen. Its molar mass is 166.2 g/mol. What is its molecular formula?

Calculate the mass in grams for 7 atoms of manganese (Mn) with atomic number 25 and mass number 55.

a given amount of water takes up 1.36 liters at 4°CWhat volume of water will the water take up if the temeprature drops to 0°C(express the volume in cm3)

if you were asked to prepare 500 grams of zinc iodide, how many grams of zinc and iodine would be needed?

the concentration of carbon monoxide in an urban apartment is 48 micro grams/meters cubed. what is the mass, in grams, of carbon monoxide in a room measuring 9.

A stack of newspapers is burned completely to ash in a laboratory. How does the I I I I resulting mass relate to the initial mass of the stack of newspapers? O

If a photon of light has an energy of 2.17 x 10-¹8J, what is its wavelength? What color light would it be?