swapna bought a skirt for 125.50 and a jeans for rs 550.75 she paid 1000 in all how much did she get back clear picture
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Step-by-step explanation:
Molar mass of = 1(S) + 2(O) = 1 (32) + 2 (16) = 32+32 = 64g. 1 mole of substance = Molar mass of the substance. Conclusion: 0.75 moles of have same mass as 3 moles of oxygen.
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