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Calculate the number of molecules in …

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Calculate the number of molecules in 53g of na2co3

Posted by Vivek Gupta 1 year, 7 months ago

CBSE > Class 09 > Science

1 answers

Priyansu Kumar Sahoo 1 year, 7 months ago

Given mass=53g Molar mass of Na2CO3 = 23×2+12+48 = 46+60= 106g No. Of moles = given mass /molar mass = 53/106 =0.5 Now 1 mole = 6.02×10^23 atoms So, 0.5 moles = 0.5×6.02×10^23. = 3.010×10^23 atoms

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