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depika
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how for apart two praton be if the elactrostatic force between then is equale to the weight of elactron.
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0.25 moles of cacl2 as: CaCo3+ HCl = CaCl2 + H2CO3 SO 1 mol of CaCO3 will give 1 mol of CaCl2. mass of CaCO3= 25g Molar mass of CaCO3= 100g therefore moles of CaCO3 = 25/100 =0.25 thus 0.25 moles of CaCl2 will be produced
