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Cifre significative - attività 10

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XSIQ
*

Chemistry - Significant figures - activity 10

Significant figures - activity 10

Calculate:

(a) The mass of H2S molecules in 9.6 L of hydrogen sulfide at 30 degrees
celcius and 110 kPa.

(b) The mass of copper sulfate, CuSO4, in 400 mL of 2.50 M CuSO4(aq).

(c) The concentration of NaCl in 1.50 L of aqueous solution containing
92.5 g of dissolved NaCl.

(d) The molarity of a hydrochloric acid solution produced by adding 2.45 L
of HCl gas collected at SLC to enough water to make 200 mL of solution.

Answer

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