Q.2.A. Calculate the following (H=1, 0=16, S=32)
a. Number of moles of 49g of sulphuric acid.
b. Mass of water required to be taken for 6 moles of water.
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Answer:
a . no of moles = 0.5
b . mass of water = 108
Explanation:
a . molar mass of H2SO4 = 1 * 2 + 32 + 16 * 4 = 98
mass of H2SO4 ( given ) = 49
no. of moles = 49 / 98 = 0.5
b . molar mass of water ( H2O ) = 18
moles = 6
mass of water = 18 * 6 = 108
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